Difference between revisions of "Concepts Glossary"

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<h2>Recommendation Spirals:</h2><ul><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Attribute Convention for Data Discovery - Recommended</li><li>Attribute Convention for Data Discovery - Suggested</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Mandatory</li><li>ECHO for Data Discovery - Recommended</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Conditional</li><li>ISO-1 for Service Discovery - Optional</li><li>ACDD Variable Attributes for Usability - Highly Recommended</li><li>SERF for Service Discovery - Required</li><li>SERF for Service Discovery - Highly Recommended</li><li>WSDL for Web Service Description</li><li>ISO Lineage</li><li>ISO Quality</li><li>ISO External References</li><li>FGDC for Data Understanding</li><li>ISO User Feedback</li></ul><br/><table border="1" cellpadding="2" cellspacing="2" style="border-collapse: collapse;"><tr><td><b>Name</b></td><td><b>Description</b></td><td><b>Recommendations</b></td></tr><tr><td id="Abstract">Abstract</td><td>A paragraph describing the resource.</td><td><ul><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Acknowledgement">Acknowledgement</td><td>Provides a place to acknowledge various types of support for the project that produced the data.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Additional_Attributes">Additional Attributes</td><td>Attributes used to describe unique characteristics of the collection which extend beyond those defined in the model.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Additional_Lineage_Documentation">Additional Lineage Documentation</td><td>Additional descriptive information, such as a publication that describes the process for generating the resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Additional_Resource_Documentation">Additional Resource Documentation</td><td>Other documentation associated with the resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Additional_Usage_Documentation">Additional Usage Documentation</td><td>Publications that describe usage of data.</td><td><ul><li><b>ISO External References</b></li><li>ISO User Feedback</li></ul></td></tr><tr><td id="Algorithm_Citation">Algorithm Citation</td><td>Information identifying the algorithm and version or date.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Alternate_Metadata_Citation">Alternate Metadata Citation</td><td>Reference to alternative metadata or metadata in a non-ISO standard for the same resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Application_Schema_Information">Application Schema Information</td><td>Name of the application schema used.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="AssociatedDIFs">AssociatedDIFs</td><td>Specifies the Directory Interchange Format (DIF) identifier for the collection.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Association">Association</td><td>Complete statement of a one-to-one relationship</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li></ul></td></tr><tr><td id="Attribute_Accuracy_Explanation">Attribute Accuracy Explanation</td><td>The identification of the test that yielded the Attribute Accuracy Value. </td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Attribute_Accuracy_Report">Attribute Accuracy Report</td><td>An explanation of the accuracy of the identification of the entities and assignments of values in the data set and a description of the tests used</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Attribute_Accuracy_Value">Attribute Accuracy Value</td><td>An estimate of the accuracy of the identification of the entities and assignments of attribute values in the data set</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Author_/_Originator">Author / Originator</td><td>The principal author of the resource</td><td><ul><li>Catalog Services for the Web (CSW) Core Returnable Properties</li></ul></td></tr><tr><td id="Author_/_Originator_Email_Address">Author / Originator Email Address</td><td>The electronic mail address of the principal author of the resource</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Author_/_Originator_World_Wide_Web_Address">Author / Originator World Wide Web Address</td><td>The World Wide Web mail address of the principal author of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Binding">Binding</td><td>A protocol and data format specification for a particular interface.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Bounding_Box">Bounding Box</td><td>A bounding box for identifying a geographic area of interest</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Browse_File_Name">Browse File Name</td><td>Name of the file holding the browse graphic.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Common_Data_Model_Datatype">Common Data Model Datatype</td><td>The THREDDS data type for this resource.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Complete_Citation">Complete Citation</td><td>Complete citation for the resource as a text blob.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Completeness_Report">Completeness Report</td><td>Information about omissions, selection criteria, generalization, definitions used, and other rules used to derive the data set.</td><td><ul><li><b>FGDC for Data Understanding</b></li><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Confidence">Confidence</td><td>Trustworthiness of a data quality result.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Conformance_Result">Conformance Result</td><td>Information about the outcome of evaluating the obtained value (or set of values) against a specified acceptable conformance quality level.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Constraint_Reference">Constraint Reference</td><td>Citation for the limitation or constraint.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Contributor_Name">Contributor Name</td><td>Contributor to the resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Contributor_Role">Contributor Role</td><td>The role of any individuals or institutions that contributed to the creation of the data.</td><td><ul><li><b>Attribute Convention for Data Discovery - Suggested</b></li></ul></td></tr><tr><td id="Coordinate_Reference_System_(CRS)">Coordinate Reference System (CRS)</td><td>Geographic Coordinate Reference System (Authority and ID) for the BoundingBox</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li></ul></td></tr><tr><td id="Coupled_Resource">Coupled Resource</td><td>Identifier and name of the dataset to which the service is coupled.</td><td><ul><li><b>ISO-1 for Service Discovery - Conditional</b></li></ul></td></tr><tr><td id="Coupled_Type">Coupled Type</td><td>Describes the tightness of the coupling to the coupled resource.</td><td><ul><li><b>ISO-1 for Service Discovery - Conditional</b></li></ul></td></tr><tr><td id="Coverage_Content_Type">Coverage Content Type</td><td>An item from a shared vocabulary of content types: image, thematicClassification, physicalMeasurement, auxiliaryInformation, qualityInformation, referenceInformation, modelResult</td><td><ul><li><b>ACDD Variable Attributes for Usability - Highly Recommended</b></li></ul></td></tr><tr><td id="Coverage_Result">Coverage Result</td><td>Result organising the measured values as a coverage.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Creation_Date">Creation Date</td><td>Date of creation of the cited resource</td><td><ul><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Data_Link">Data Link</td><td>A link to data produced by the project.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Data_Quality_Scope">Data Quality Scope</td><td>The specific data to which the data quality information applies.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Date">Date</td><td>The date of a creation or update event of the catalogue record.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Descriptive_Result">Descriptive Result</td><td>Data quality descriptive result.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Distribution_Contact">Distribution Contact</td><td>Contact information for the organization or individual that distributes the resource.</td><td><ul><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Recommended</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Distribution_Liability">Distribution Liability</td><td>Statement of the liability assumed by the distributor.</td><td><ul><li><b>FGDC for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Easternmost_Longitude">Easternmost Longitude</td><td>The easternmost longitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="End_Time">End Time</td><td>The end of the bounding time period</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Evaluation_Method_Description">Evaluation Method Description</td><td>Description of the evaluation method.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evaluation_Procedure">Evaluation Procedure</td><td>Reference to the procedure information.</td><td><ul><li>ISO External References</li><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evaluation_Reference">Evaluation Reference</td><td>Information on documents which are referenced in developing and applying a data quality evaluation method.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evaluation_Reference_Document">Evaluation Reference Document</td><td>Information on documents which are referenced in developing and applying a data quality evaluation method.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Evaluation_Specification">Evaluation Specification</td><td>Citation of data product specification or user requirement against which data is being evaluated.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Evalulation_Method">Evalulation Method</td><td>The procedure used to evaluate the measure.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evalulation_Method_Type">Evalulation Method Type</td><td>Type of method used to evaluate quality of the data.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Feature_Catalogue_Citation">Feature Catalogue Citation</td><td>Information identifying the feature catalogue or the conceptual schema.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Format_Citation">Format Citation</td><td>Citation/URL of the specification for the format.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Has_Security_Constraints">Has Security Constraints</td><td>Are there any security constraints?</td><td><ul><li><b>Catalog Service for the Web (CSW) Additional Queryable Properties</b></li></ul></td></tr><tr><td id="Homogeneity">Homogeneity</td><td>Expected or tested uniformity of the results obtained for a data quality evaluation.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Horizontal_Positional_Accuracy_Explanation">Horizontal Positional Accuracy Explanation</td><td>The identification of the test that yielded the Horizontal Positional Accuracy Value.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Horizontal_Positional_Accuracy_Report">Horizontal Positional Accuracy Report</td><td>An explanation of the accuracy of the horizontal coordinate measurements and a description of the tests used.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Horizontal_Positional_Accuracy_Value">Horizontal Positional Accuracy Value</td><td>An estimate of the accuracy of the horizontal coordinate measurements in the data set expressed in (ground) meters.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Identified_Issues_Citation">Identified Issues Citation</td><td>Citation of a description of known issues associated with the resource along with proposed solutions if available.</td><td><ul><li><b>ISO External References</b></li><li>ISO User Feedback</li></ul></td></tr><tr><td id="Instrument">Instrument</td><td>Information about the instrument used to make the observations.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Instrument_Citation">Instrument Citation</td><td>A citation to reference material that provides details about the instrument.</td><td><ul><li>ISO External References</li></ul></td></tr><tr><td id="Instrument_Keyword">Instrument Keyword</td><td>Keywords that describe the instrument used to collect the resource.</td><td><ul><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Instrument_Type">Instrument Type</td><td>The type of instrument.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Interface">Interface</td><td>A set of operations supported by one or more service endpoints.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Keyword">Keyword</td><td>A word or phrase that describes some aspect of a resource. Can be one of several types.</td><td><ul><li>ACDD Variable Attributes for Usability - Highly Recommended</li><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Keyword_Ontology_Citation">Keyword Ontology Citation</td><td>Reference that binds the keyword class to a formal conceptualization of a knowledge domain for use in semantic processing.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Keyword_Type">Keyword Type</td><td>Methods used to group similar keywords</td><td><ul><li><b>Catalog Service for the Web (CSW) Additional Queryable Properties</b></li></ul></td></tr><tr><td id="Keyword_Vocabulary">Keyword Vocabulary</td><td>If you are following a guideline or using a shared vocabulary for the words/phrases in your "keywords" attribute, put the name of that guideline here.</td><td><ul><li>ACDD Variable Attributes for Usability - Highly Recommended</li><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Keyword_Vocabulary_Citation">Keyword Vocabulary Citation</td><td>Name of the formally registered thesaurus or a similar authoritative source of keywords.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Lineage_Scope">Lineage Scope</td><td>Type of resource and/or extent to which the lineage information applies.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Lineage_Statement">Lineage Statement</td><td>Information and references for sources and processes that were used to create the dataset and an audit trail for modifications to the original data.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>ISO Lineage</li></ul></td></tr><tr><td id="Logical_Consistency">Logical Consistency</td><td>The degree of adherence to logical rules of data structure, attribution and relationships (data structure can be conceptual, logical or physical).</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Logical_Consistency_Report">Logical Consistency Report</td><td>An explanation of the fidelity of relationships in the data set and tests used.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Measure">Measure</td><td>The type of evaluation</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Description">Measure Description</td><td>Description of the measure.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Identifier">Measure Identifier</td><td>Identifier of the measure, value uniquely identifying the measure within a namespace.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Name">Measure Name</td><td>Name of the test applied to the data.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Source_Citation">Measure Source Citation</td><td>Reference to the source.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Measure_Time">Measure Time</td><td>Date or range of dates on which a data quality measure was applied.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Media">Media</td><td>Media on which the resource is available</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Understanding</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Medium_Reference">Medium Reference</td><td>Name of the medium on which the resource can be stored (resourceFormat) or distributed.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Metadata_Contact">Metadata Contact</td><td>The organization or person currently responsible for the metadata.</td><td><ul><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Metadata_Identifier">Metadata Identifier</td><td>A phrase or string which uniquely identifies the metadata file/record.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Metadata_Language">Metadata Language</td><td>Language of the metadata</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Metadata_Profile_Citation">Metadata Profile Citation</td><td>Citation for the profile(s) of the metadata standard to which the metadata conforms.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Metadata_Standard_Citation">Metadata Standard Citation</td><td>The name of the standard to which the metadata conforms</td><td><ul><li><b>DIF for Data Discovery - Required</b></li><li>FGDC for Data Discovery - Mandatory</li><li>ISO External References</li></ul></td></tr><tr><td id="Metadata_Standard_Version">Metadata Standard Version</td><td>The name of the standard to which the metadata conforms</td><td><ul><li><b>DIF for Data Discovery - Required</b></li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Modified_Date">Modified Date</td><td>Date on which the record was created or updated within the catalogue</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>DCAT for Data Discovery - Mandatory</li><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Naming_Authority">Naming Authority</td><td>The organization responsible for the maintenance of the identifier (namespace)</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Northernmost_Latitude">Northernmost Latitude</td><td>The northernmost latitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Online_Resource">Online Resource</td><td>Online Resource for the cited resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Operation_Citation">Operation Citation</td><td>Identification of the mission.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Ordering_Instructions">Ordering Instructions</td><td>General instructions, terms and services provided by the distributor</td><td><ul><li>ECHO for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Organization_Name">Organization Name</td><td>Name of the organization</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li></ul></td></tr><tr><td id="Originating_Organization">Originating Organization</td><td>The organization responsible for creating the resource</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Paleo-Temporal_Coverage">Paleo-Temporal Coverage</td><td>For paleoclimate or geologic data, “Paleo_Temporal_Coverage” is the period of time covered by the data collected.</td><td><ul><li><b>DIF for Data Discovery - Highly Recommended</b></li></ul></td></tr><tr><td id="Parameters_Citation">Parameters Citation</td><td>Reference providing description of the parameters.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Parent_Identifier">Parent Identifier</td><td>A unique identifier for a parent dataset or collection</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li></ul></td></tr><tr><td id="Parent_Metadata_Reference">Parent Metadata Reference</td><td>Identification of the parent metadata record.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Place_Keyword">Place Keyword</td><td>A comma separated list of key words and phrases that give the location of the resource.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Plan_Citation">Plan Citation</td><td>Identification of authority requesting target collection.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Platform">Platform</td><td>The platform used to collect the observations.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Platform_Citation">Platform Citation</td><td>Source where information about the platform is described.</td><td><ul><li>ISO External References</li></ul></td></tr><tr><td id="Platform_Keyword">Platform Keyword</td><td>Keywords that describe the platform used to collect the resource.</td><td><ul><li>ECHO for Data Discovery - Recommended</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Portrayal_Catalogue_Citation">Portrayal Catalogue Citation</td><td>Information identifying the portrayal catalogue used.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Positional_Accuracy_Report">Positional Accuracy Report</td><td>Accuracy of the position of features within a spatial reference system.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Process_Step">Process Step</td><td>A step in the processing that produced a resource</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Description">Process Step Description</td><td>Description of the event, including related parameters or tolerances.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Purpose">Process Step Purpose</td><td>Requirement or purpose for the process step.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Reference">Process Step Reference</td><td>Process step documentation.</td><td><ul><li><b>ISO External References</b></li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Scope">Process Step Scope</td><td>Type of resource and/or extent to which the process step applies.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Source_Produced">Process Step Source Produced</td><td></td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Process_Step_Source_Used">Process Step Source Used</td><td>The Source Citation Abbreviation of a data set used in the processing step.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Process_Step_Time">Process Step Time</td><td>Date, time, range or period of process step.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Processing_Citation">Processing Citation</td><td>Reference to documentation describing the processing.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Processing_Level">Processing Level</td><td>A code that indicates the extent of processing done in the creation of a dataset.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Processing_Software_Reference">Processing Software Reference</td><td>Reference to document describing processing software.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Processor">Processor</td><td>Identification of, and means of communication with, person(s) and organisation(s) associated with the process step.
 
<h2>Recommendation Spirals:</h2><ul><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Attribute Convention for Data Discovery - Recommended</li><li>Attribute Convention for Data Discovery - Suggested</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Mandatory</li><li>ECHO for Data Discovery - Recommended</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Conditional</li><li>ISO-1 for Service Discovery - Optional</li><li>ACDD Variable Attributes for Usability - Highly Recommended</li><li>SERF for Service Discovery - Required</li><li>SERF for Service Discovery - Highly Recommended</li><li>WSDL for Web Service Description</li><li>ISO Lineage</li><li>ISO Quality</li><li>ISO External References</li><li>FGDC for Data Understanding</li><li>ISO User Feedback</li></ul><br/><table border="1" cellpadding="2" cellspacing="2" style="border-collapse: collapse;"><tr><td><b>Name</b></td><td><b>Description</b></td><td><b>Recommendations</b></td></tr><tr><td id="Abstract">Abstract</td><td>A paragraph describing the resource.</td><td><ul><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Acknowledgement">Acknowledgement</td><td>Provides a place to acknowledge various types of support for the project that produced the data.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Additional_Attributes">Additional Attributes</td><td>Attributes used to describe unique characteristics of the collection which extend beyond those defined in the model.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Additional_Lineage_Documentation">Additional Lineage Documentation</td><td>Additional descriptive information, such as a publication that describes the process for generating the resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Additional_Resource_Documentation">Additional Resource Documentation</td><td>Other documentation associated with the resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Additional_Usage_Documentation">Additional Usage Documentation</td><td>Publications that describe usage of data.</td><td><ul><li><b>ISO External References</b></li><li>ISO User Feedback</li></ul></td></tr><tr><td id="Algorithm_Citation">Algorithm Citation</td><td>Information identifying the algorithm and version or date.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Alternate_Metadata_Citation">Alternate Metadata Citation</td><td>Reference to alternative metadata or metadata in a non-ISO standard for the same resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Application_Schema_Information">Application Schema Information</td><td>Name of the application schema used.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="AssociatedDIFs">AssociatedDIFs</td><td>Specifies the Directory Interchange Format (DIF) identifier for the collection.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Association">Association</td><td>Complete statement of a one-to-one relationship</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li></ul></td></tr><tr><td id="Attribute_Accuracy_Explanation">Attribute Accuracy Explanation</td><td>The identification of the test that yielded the Attribute Accuracy Value. </td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Attribute_Accuracy_Report">Attribute Accuracy Report</td><td>An explanation of the accuracy of the identification of the entities and assignments of values in the data set and a description of the tests used</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Attribute_Accuracy_Value">Attribute Accuracy Value</td><td>An estimate of the accuracy of the identification of the entities and assignments of attribute values in the data set</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Author_/_Originator">Author / Originator</td><td>The principal author of the resource</td><td><ul><li>Catalog Services for the Web (CSW) Core Returnable Properties</li></ul></td></tr><tr><td id="Author_/_Originator_Email_Address">Author / Originator Email Address</td><td>The electronic mail address of the principal author of the resource</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Author_/_Originator_World_Wide_Web_Address">Author / Originator World Wide Web Address</td><td>The World Wide Web mail address of the principal author of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Binding">Binding</td><td>A protocol and data format specification for a particular interface.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Bounding_Box">Bounding Box</td><td>A bounding box for identifying a geographic area of interest</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Browse_File_Name">Browse File Name</td><td>Name of the file holding the browse graphic.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Common_Data_Model_Datatype">Common Data Model Datatype</td><td>The THREDDS data type for this resource.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Complete_Citation">Complete Citation</td><td>Complete citation for the resource as a text blob.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Completeness_Report">Completeness Report</td><td>Information about omissions, selection criteria, generalization, definitions used, and other rules used to derive the data set.</td><td><ul><li><b>FGDC for Data Understanding</b></li><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Confidence">Confidence</td><td>Trustworthiness of a data quality result.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Conformance_Result">Conformance Result</td><td>Information about the outcome of evaluating the obtained value (or set of values) against a specified acceptable conformance quality level.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Constraint_Reference">Constraint Reference</td><td>Citation for the limitation or constraint.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Contributor_Name">Contributor Name</td><td>Contributor to the resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Contributor_Role">Contributor Role</td><td>The role of any individuals or institutions that contributed to the creation of the data.</td><td><ul><li><b>Attribute Convention for Data Discovery - Suggested</b></li></ul></td></tr><tr><td id="Coordinate_Reference_System_(CRS)">Coordinate Reference System (CRS)</td><td>Geographic Coordinate Reference System (Authority and ID) for the BoundingBox</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li></ul></td></tr><tr><td id="Coupled_Resource">Coupled Resource</td><td>Identifier and name of the dataset to which the service is coupled.</td><td><ul><li><b>ISO-1 for Service Discovery - Conditional</b></li></ul></td></tr><tr><td id="Coupled_Type">Coupled Type</td><td>Describes the tightness of the coupling to the coupled resource.</td><td><ul><li><b>ISO-1 for Service Discovery - Conditional</b></li></ul></td></tr><tr><td id="Coverage_Content_Type">Coverage Content Type</td><td>An item from a shared vocabulary of content types: image, thematicClassification, physicalMeasurement, auxiliaryInformation, qualityInformation, referenceInformation, modelResult</td><td><ul><li><b>ACDD Variable Attributes for Usability - Highly Recommended</b></li></ul></td></tr><tr><td id="Coverage_Result">Coverage Result</td><td>Result organising the measured values as a coverage.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Creation_Date">Creation Date</td><td>Date of creation of the cited resource</td><td><ul><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Data_Link">Data Link</td><td>A link to data produced by the project.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Data_Quality_Scope">Data Quality Scope</td><td>The specific data to which the data quality information applies.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Date">Date</td><td>The date of a creation or update event of the catalogue record.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Descriptive_Result">Descriptive Result</td><td>Data quality descriptive result.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Distribution_Contact">Distribution Contact</td><td>Contact information for the organization or individual that distributes the resource.</td><td><ul><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Recommended</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Distribution_Liability">Distribution Liability</td><td>Statement of the liability assumed by the distributor.</td><td><ul><li><b>FGDC for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Easternmost_Longitude">Easternmost Longitude</td><td>The easternmost longitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="End_Time">End Time</td><td>The end of the bounding time period</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Evaluation_Method_Description">Evaluation Method Description</td><td>Description of the evaluation method.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evaluation_Procedure">Evaluation Procedure</td><td>Reference to the procedure information.</td><td><ul><li>ISO External References</li><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evaluation_Reference">Evaluation Reference</td><td>Information on documents which are referenced in developing and applying a data quality evaluation method.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evaluation_Reference_Document">Evaluation Reference Document</td><td>Information on documents which are referenced in developing and applying a data quality evaluation method.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Evaluation_Specification">Evaluation Specification</td><td>Citation of data product specification or user requirement against which data is being evaluated.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Evalulation_Method">Evalulation Method</td><td>The procedure used to evaluate the measure.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Evalulation_Method_Type">Evalulation Method Type</td><td>Type of method used to evaluate quality of the data.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Feature_Catalogue_Citation">Feature Catalogue Citation</td><td>Information identifying the feature catalogue or the conceptual schema.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Format_Citation">Format Citation</td><td>Citation/URL of the specification for the format.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Has_Security_Constraints">Has Security Constraints</td><td>Are there any security constraints?</td><td><ul><li><b>Catalog Service for the Web (CSW) Additional Queryable Properties</b></li></ul></td></tr><tr><td id="Homogeneity">Homogeneity</td><td>Expected or tested uniformity of the results obtained for a data quality evaluation.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Horizontal_Positional_Accuracy_Explanation">Horizontal Positional Accuracy Explanation</td><td>The identification of the test that yielded the Horizontal Positional Accuracy Value.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Horizontal_Positional_Accuracy_Report">Horizontal Positional Accuracy Report</td><td>An explanation of the accuracy of the horizontal coordinate measurements and a description of the tests used.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Horizontal_Positional_Accuracy_Value">Horizontal Positional Accuracy Value</td><td>An estimate of the accuracy of the horizontal coordinate measurements in the data set expressed in (ground) meters.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Identified_Issues_Citation">Identified Issues Citation</td><td>Citation of a description of known issues associated with the resource along with proposed solutions if available.</td><td><ul><li><b>ISO External References</b></li><li>ISO User Feedback</li></ul></td></tr><tr><td id="Instrument">Instrument</td><td>Information about the instrument used to make the observations.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Instrument_Citation">Instrument Citation</td><td>A citation to reference material that provides details about the instrument.</td><td><ul><li>ISO External References</li></ul></td></tr><tr><td id="Instrument_Keyword">Instrument Keyword</td><td>Keywords that describe the instrument used to collect the resource.</td><td><ul><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Instrument_Type">Instrument Type</td><td>The type of instrument.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Interface">Interface</td><td>A set of operations supported by one or more service endpoints.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Keyword">Keyword</td><td>A word or phrase that describes some aspect of a resource. Can be one of several types.</td><td><ul><li>ACDD Variable Attributes for Usability - Highly Recommended</li><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Keyword_Ontology_Citation">Keyword Ontology Citation</td><td>Reference that binds the keyword class to a formal conceptualization of a knowledge domain for use in semantic processing.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Keyword_Type">Keyword Type</td><td>Methods used to group similar keywords</td><td><ul><li><b>Catalog Service for the Web (CSW) Additional Queryable Properties</b></li></ul></td></tr><tr><td id="Keyword_Vocabulary">Keyword Vocabulary</td><td>If you are following a guideline or using a shared vocabulary for the words/phrases in your "keywords" attribute, put the name of that guideline here.</td><td><ul><li>ACDD Variable Attributes for Usability - Highly Recommended</li><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Keyword_Vocabulary_Citation">Keyword Vocabulary Citation</td><td>Name of the formally registered thesaurus or a similar authoritative source of keywords.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Lineage_Scope">Lineage Scope</td><td>Type of resource and/or extent to which the lineage information applies.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Lineage_Statement">Lineage Statement</td><td>Information and references for sources and processes that were used to create the dataset and an audit trail for modifications to the original data.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>ISO Lineage</li></ul></td></tr><tr><td id="Logical_Consistency">Logical Consistency</td><td>The degree of adherence to logical rules of data structure, attribution and relationships (data structure can be conceptual, logical or physical).</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Logical_Consistency_Report">Logical Consistency Report</td><td>An explanation of the fidelity of relationships in the data set and tests used.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Measure">Measure</td><td>The type of evaluation</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Description">Measure Description</td><td>Description of the measure.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Identifier">Measure Identifier</td><td>Identifier of the measure, value uniquely identifying the measure within a namespace.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Name">Measure Name</td><td>Name of the test applied to the data.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Measure_Source_Citation">Measure Source Citation</td><td>Reference to the source.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Measure_Time">Measure Time</td><td>Date or range of dates on which a data quality measure was applied.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Media">Media</td><td>Media on which the resource is available</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Understanding</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Medium_Reference">Medium Reference</td><td>Name of the medium on which the resource can be stored (resourceFormat) or distributed.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Metadata_Contact">Metadata Contact</td><td>The organization or person currently responsible for the metadata.</td><td><ul><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Metadata_Identifier">Metadata Identifier</td><td>A phrase or string which uniquely identifies the metadata file/record.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Required</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Metadata_Language">Metadata Language</td><td>Language of the metadata</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Metadata_Profile_Citation">Metadata Profile Citation</td><td>Citation for the profile(s) of the metadata standard to which the metadata conforms.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Metadata_Standard_Citation">Metadata Standard Citation</td><td>The name of the standard to which the metadata conforms</td><td><ul><li><b>DIF for Data Discovery - Required</b></li><li>FGDC for Data Discovery - Mandatory</li><li>ISO External References</li></ul></td></tr><tr><td id="Metadata_Standard_Version">Metadata Standard Version</td><td>The name of the standard to which the metadata conforms</td><td><ul><li><b>DIF for Data Discovery - Required</b></li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Modified_Date">Modified Date</td><td>Date on which the record was created or updated within the catalogue</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>DCAT for Data Discovery - Mandatory</li><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Naming_Authority">Naming Authority</td><td>The organization responsible for the maintenance of the identifier (namespace)</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Northernmost_Latitude">Northernmost Latitude</td><td>The northernmost latitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Online_Resource">Online Resource</td><td>Online Resource for the cited resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Operation_Citation">Operation Citation</td><td>Identification of the mission.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Ordering_Instructions">Ordering Instructions</td><td>General instructions, terms and services provided by the distributor</td><td><ul><li>ECHO for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Organization_Name">Organization Name</td><td>Name of the organization</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li></ul></td></tr><tr><td id="Originating_Organization">Originating Organization</td><td>The organization responsible for creating the resource</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Paleo-Temporal_Coverage">Paleo-Temporal Coverage</td><td>For paleoclimate or geologic data, “Paleo_Temporal_Coverage” is the period of time covered by the data collected.</td><td><ul><li><b>DIF for Data Discovery - Highly Recommended</b></li></ul></td></tr><tr><td id="Parameters_Citation">Parameters Citation</td><td>Reference providing description of the parameters.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Parent_Identifier">Parent Identifier</td><td>A unique identifier for a parent dataset or collection</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li></ul></td></tr><tr><td id="Parent_Metadata_Reference">Parent Metadata Reference</td><td>Identification of the parent metadata record.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Place_Keyword">Place Keyword</td><td>A comma separated list of key words and phrases that give the location of the resource.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Plan_Citation">Plan Citation</td><td>Identification of authority requesting target collection.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Platform">Platform</td><td>The platform used to collect the observations.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Platform_Citation">Platform Citation</td><td>Source where information about the platform is described.</td><td><ul><li>ISO External References</li></ul></td></tr><tr><td id="Platform_Keyword">Platform Keyword</td><td>Keywords that describe the platform used to collect the resource.</td><td><ul><li>ECHO for Data Discovery - Recommended</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Portrayal_Catalogue_Citation">Portrayal Catalogue Citation</td><td>Information identifying the portrayal catalogue used.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Positional_Accuracy_Report">Positional Accuracy Report</td><td>Accuracy of the position of features within a spatial reference system.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Process_Step">Process Step</td><td>A step in the processing that produced a resource</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Description">Process Step Description</td><td>Description of the event, including related parameters or tolerances.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Purpose">Process Step Purpose</td><td>Requirement or purpose for the process step.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Reference">Process Step Reference</td><td>Process step documentation.</td><td><ul><li><b>ISO External References</b></li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Scope">Process Step Scope</td><td>Type of resource and/or extent to which the process step applies.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Process_Step_Source_Produced">Process Step Source Produced</td><td></td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Process_Step_Source_Used">Process Step Source Used</td><td>The Source Citation Abbreviation of a data set used in the processing step.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Process_Step_Time">Process Step Time</td><td>Date, time, range or period of process step.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Processing_Citation">Processing Citation</td><td>Reference to documentation describing the processing.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Processing_Level">Processing Level</td><td>A code that indicates the extent of processing done in the creation of a dataset.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Processing_Software_Reference">Processing Software Reference</td><td>Reference to document describing processing software.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Processor">Processor</td><td>Identification of, and means of communication with, person(s) and organisation(s) associated with the process step.
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       </td><td><ul><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Project_Keyword">Project Keyword</td><td>Keywords that describe the Project used to collect the resource.</td><td><ul><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Project_Name">Project Name</td><td>The name of the project that the resource was associated with.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Publication_Date">Publication Date</td><td>Date of publication of the cited resource</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>ECHO for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Publisher">Publisher</td><td>Publisher of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Publisher_E-Mail">Publisher E-Mail</td><td>Email associated with the publisher of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li></ul></td></tr><tr><td id="Publisher_URL">Publisher URL</td><td>World Wide Web address associated with the publisher of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li></ul></td></tr><tr><td id="Purpose">Purpose</td><td>A paragraph describing the original purpose for collecting the dataset.</td><td><ul><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Quality_Statement">Quality Statement</td><td>Information about the quality of the data or any quality assurance procedures followed in producing the data.</td><td><ul><li><b>DIF for Data Discovery - Highly Recommended</b></li></ul></td></tr><tr><td id="Quantitative_Result">Quantitative Result</td><td>The values or information about the value(s) (or set of values) obtained from applying a data quality measure.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Related__Metadata_Citation">Related  Metadata Citation</td><td>Reference to the metadata of the associated resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Related_Resource_Citation">Related Resource Citation</td><td>Citation information about the associated resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Related_Resource_Identifier">Related Resource Identifier</td><td>Identifier for a resource related to the resource being described.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Relation">Relation</td><td>A reference to a related resource.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Report">Report</td><td>Quantitative quality information for the data specified by the scope.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Representativity">Representativity</td><td>Degree to which the sample used has produced a result which is representative of the data within the data quality scope.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Requirement_Citation">Requirement Citation</td><td>Identification of reference or guidance material for the requirement.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Resource_Access_Constraints">Resource Access Constraints</td><td>Information about any constraints for accessing the data set. This includes any special restrictions, legal prerequisites, limitations and/or warnings on obtaining the data set. Some words that may be used in this field include: Public, In-house, Limited, Additional detailed instructions on how to access the data can be entered in this field.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Citation">Resource Citation</td><td>Citation for the resource.</td><td><ul><li>ISO External References</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Contact">Resource Contact</td><td>The organization or person responsible for answering questions about the resource.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Recommended</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Cost_or_Fees">Resource Cost or Fees</td><td>Cost associated with access to the resource</td><td><ul><li>ECHO for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Creation/Revision_Date">Resource Creation/Revision Date</td><td>The date the resource was created</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Resource_Duration">Resource Duration</td><td>The temporal duration of a resource.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Resource_Format">Resource Format</td><td>The physical or digital manifestation of the resource</td><td><ul><li>Catalog Services for the Web (CSW) Core Queryables</li><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li><li>DIF for Data Discovery - Highly Recommended</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Identifier">Resource Identifier</td><td>Identifier for the resource described by the metadata</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>ECHO for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Resource_Language">Resource Language</td><td>The language of the resource.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Long_Name">Resource Long Name</td><td>The reference name used in describing the scientific contents of the data collection.</td><td><ul><li><b>ECHO for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Resource_Quality_Description">Resource Quality Description</td><td>Description of the quality of the resource or any quality assurance procedures followed in producing the resource.</td><td><ul><li><b>SERF for Service Discovery - Highly Recommended</b></li></ul></td></tr><tr><td id="Resource_Scope">Resource Scope</td><td>The nature or genre of the content of the resource. Type can include general categories, genres or aggregation levels of content.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li></ul></td></tr><tr><td id="Resource_Status">Resource Status</td><td>The status of the resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Resource_Title">Resource Title</td><td>A short description of the resource. The title should be descriptive enough so that when a user is presented with a list of titles the general content of the data set can be determined.</td><td><ul><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Highly Recommended</li><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Resource_Type">Resource Type</td><td>A resource code identifying the type of resource e.g. dataset, a collection, an application (see MD_ScopeCode) which the metadata describes.</td><td><ul><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Resource_Update_Frequency">Resource Update Frequency</td><td>The frequency with which changes and additions are made to the data set after the initial data set is completed</td><td><ul><li><b>FGDC for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Resource_Use_Constraints">Resource Use Constraints</td><td>Information about how the data may or may not be used after access is granted to assure the protection of privacy or intellectual property. This includes any special restrictions, legal prerequisites, terms and conditions, and/or limitations on using the data set. Data providers may request acknowledgement of the data from users and claim no responsibility for quality and completeness of data.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_on-line_Link">Resource on-line Link</td><td>Online link referencing additional information about the resource.</td><td><ul><li>ECHO for Data Discovery - Recommended</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Result">Result</td><td>The output of the evaluation</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Revision_Date">Revision Date</td><td>Date of revision of the cited resource</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li></ul></td></tr><tr><td id="Rights">Rights</td><td>Information about rights held in and over the resource</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Sensor_Characteristics">Sensor Characteristics</td><td>Referential information for the collection source/sensor configuration.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Service">Service</td><td>The end points supported by the web service.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Service_Location">Service Location</td><td>Endpoint for accessing the service.</td><td><ul><li>SERF for Service Discovery - Highly Recommended</li><li>WSDL for Web Service Description</li></ul></td></tr><tr><td id="Service_Operation_Name">Service Operation Name</td><td>Name of an operation provided by the service.</td><td><ul><li>WSDL for Web Service Description</li></ul></td></tr><tr><td id="Service_Operation_Reference">Service Operation Reference</td><td>Provides a reference to the resource on which the service operates.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Service_Profile_Reference">Service Profile Reference</td><td>Profile to which the service adheres.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Service_Resource_Reference">Service Resource Reference</td><td>Reference to the resource on which the service operates.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Service_Standard_Citation">Service Standard Citation</td><td>Standard to which the service adheres.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Source">Source</td><td>A reference to a resource from which the present resource is derived.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Citation">Source Citation</td><td>Recommended reference to be used for the source.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO External References</b></li><li>ISO Lineage</li></ul></td></tr><tr><td id="Source_Citation_Abbreviation">Source Citation Abbreviation</td><td>Short-form alias for the source citation.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Source_Description">Source Description</td><td>Detailed description of the source.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Metadata">Source Metadata</td><td>Reference to metadata for the source.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Reference_System">Source Reference System</td><td>Spatial reference system used by the source.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Scope">Source Scope</td><td>Type and/or extent of the source.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Step">Source Step</td><td>Information about a process step in which this source was used.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Time_Period">Source Time Period</td><td>Time period for which the source data set corresponds to the ground.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Southernmost_Latitude">Southernmost Latitude</td><td>The southernmost latitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Spatial_Extent">Spatial Extent</td><td>The spatial extent of the resource.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Spatial_Resolution">Spatial Resolution</td><td>The nominal scale and/or spatial resolution of the resource.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Specific_Usage">Specific Usage</td><td>Brief description of the resource and/or resource series usage.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="Standalone_Report_Citation">Standalone Report Citation</td><td>Reference to external standalone quality report.</td><td><ul><li>ISO External References</li><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Standard_Name_Vocabulary">Standard Name Vocabulary</td><td>The name of the shared vocabulary from which variable standard names are taken.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Start_Time">Start Time</td><td>The start of the bounding time period</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Temporal_Extent">Temporal Extent</td><td>The temporal extent of the resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Temporal_Keyword">Temporal Keyword</td><td>Keyword identifies a time period related to the resource.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Temporal_Quality_Report">Temporal Quality Report</td><td>Quality of the temporal attributes and temporal relationships of features.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Temporal_Resolution">Temporal Resolution</td><td>The smallest time step included in the resource.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Thematic_Accuracy_Report">Thematic Accuracy Report</td><td>Accuracy of quantitative attributes and the correctness of non-quantitative attributes and of the classifications of features and their relationships.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Topic_Category">Topic Category</td><td>High level category enumeration used in ISO</td><td><ul><li>DIF for Data Discovery - Required</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Transfer_Size">Transfer Size</td><td>The size of the digital resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Turnaround">Turnaround</td><td>Typical turnaround time for the filling of an order.</td><td><ul><li><b>FGDC for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="TwoDCoordinateSystem">TwoDCoordinateSystem</td><td>Bounding extent defined in two dimensions with min and max values.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Types">Types</td><td>Describes the data. The XML Schema language (also known as XSD) is used (inline or referenced) for this purpose.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Units">Units</td><td>The units of the variables data values.</td><td><ul><li><b>ACDD Variable Attributes for Usability - Highly Recommended</b></li></ul></td></tr><tr><td id="Usability_Report">Usability Report</td><td>Specific quality information about a dataset’s suitability for a particular application or conformance to a set of requirements.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Usage_Time">Usage Time</td><td>Date and time of the first use or range of uses of the resource and/or resource series.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="User_Contact">User Contact</td><td>Identification of and means of communicating with person(s) and organisation(s) using the resource(s).</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="User_Determined_Limitations">User Determined Limitations</td><td>Applications, determined by the user for which the resource and/or resource series is not suitable.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="User_Response">User Response</td><td>Response to the user-determined limitations.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="Version">Version</td><td>Version of the cited resource</td><td><ul><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Version_Description">Version Description</td><td>A brief description of the differences between this collection version and another collection version.</td><td><ul><li><b>ECS for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Vertical_Maximum">Vertical Maximum</td><td>The maximum height of the bounding rectangle</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Vertical_Minimum">Vertical Minimum</td><td>The minimum height of the bounding rectangle</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Vertical_Positional_Accuracy_Explanation">Vertical Positional Accuracy Explanation</td><td>The identification of the test that yielded the Vertical Positional Accuracy Value.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Vertical_Positional_Accuracy_Report">Vertical Positional Accuracy Report</td><td>An explanation of the accuracy of the vertical coordinate measurements and a description of the tests used.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Vertical_Positional_Accuracy_Value">Vertical Positional Accuracy Value</td><td>an estimate of the accuracy of the vertical coordinate measurement in the data set expressed in (ground) meters.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Westernmost_Longitude">Westernmost Longitude</td><td>The westernmost longitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr></table></body></html>
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       </td><td><ul><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Project_Keyword">Project Keyword</td><td>Keywords that describe the Project used to collect the resource.</td><td><ul><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Project_Name">Project Name</td><td>The name of the project that the resource was associated with.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Publication_Date">Publication Date</td><td>Date of publication of the cited resource</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>ECHO for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Publisher">Publisher</td><td>Publisher of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Publisher_E-Mail">Publisher E-Mail</td><td>Email associated with the publisher of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li></ul></td></tr><tr><td id="Publisher_URL">Publisher URL</td><td>World Wide Web address associated with the publisher of the cited resource</td><td><ul><li>Attribute Convention for Data Discovery - Suggested</li></ul></td></tr><tr><td id="Purpose">Purpose</td><td>A paragraph describing the original purpose for collecting the dataset.</td><td><ul><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Quality_Statement">Quality Statement</td><td>Information about the quality of the data or any quality assurance procedures followed in producing the data.</td><td><ul><li><b>DIF for Data Discovery - Highly Recommended</b></li></ul></td></tr><tr><td id="Quantitative_Result">Quantitative Result</td><td>The values or information about the value(s) (or set of values) obtained from applying a data quality measure.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Related__Metadata_Citation">Related  Metadata Citation</td><td>Reference to the metadata of the associated resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Related_Resource_Citation">Related Resource Citation</td><td>Citation information about the associated resource.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Related_Resource_Identifier">Related Resource Identifier</td><td>Identifier for a resource related to the resource being described.</td><td><ul><li>ECHO for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Relation">Relation</td><td>A reference to a related resource.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Report">Report</td><td>Quantitative quality information for the data specified by the scope.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Representativity">Representativity</td><td>Degree to which the sample used has produced a result which is representative of the data within the data quality scope.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Requirement_Citation">Requirement Citation</td><td>Identification of reference or guidance material for the requirement.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Resource_Access_Constraints">Resource Access Constraints</td><td>Information about any constraints for accessing the data set. This includes any special restrictions, legal prerequisites, limitations and/or warnings on obtaining the data set. Some words that may be used in this field include: Public, In-house, Limited, Additional detailed instructions on how to access the data can be entered in this field.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Citation">Resource Citation</td><td>Citation for the resource.</td><td><ul><li>ISO External References</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Contact">Resource Contact</td><td>The organization or person responsible for answering questions about the resource.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Recommended</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Cost_or_Fees">Resource Cost or Fees</td><td>Cost associated with access to the resource</td><td><ul><li>ECHO for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Creation/Revision_Date">Resource Creation/Revision Date</td><td>The date the resource was created</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Resource_Duration">Resource Duration</td><td>The temporal duration of a resource.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Resource_Format">Resource Format</td><td>The physical or digital manifestation of the resource</td><td><ul><li>Catalog Services for the Web (CSW) Core Queryables</li><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li><li>DIF for Data Discovery - Highly Recommended</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Identifier">Resource Identifier</td><td>Identifier for the resource described by the metadata</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li><li>ECHO for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Resource_Language">Resource Language</td><td>The language of the resource.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_Long_Name">Resource Long Name</td><td>The reference name used in describing the scientific contents of the data collection.</td><td><ul><li><b>ECHO for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Resource_Quality_Description">Resource Quality Description</td><td>Description of the quality of the resource or any quality assurance procedures followed in producing the resource.</td><td><ul><li><b>SERF for Service Discovery - Highly Recommended</b></li></ul></td></tr><tr><td id="Resource_Scope">Resource Scope</td><td>The nature or genre of the content of the resource. Type can include general categories, genres or aggregation levels of content.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Queryables</b></li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li></ul></td></tr><tr><td id="Resource_Status">Resource Status</td><td>The status of the resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Resource_Title">Resource Title</td><td>A short description of the resource. The title should be descriptive enough so that when a user is presented with a list of titles the general content of the data set can be determined.</td><td><ul><li>Attribute Convention for Data Discovery - Highly Recommended</li><li>Catalog Services for the Web (CSW) Core Queryables</li><li>Catalog Services for the Web (CSW) Core Returnable Properties</li><li>DCAT for Data Discovery - Mandatory</li><li>DIF for Data Discovery - Highly Recommended</li><li>DIF for Data Discovery - Required</li><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Mandatory</li><li>SERF for Service Discovery - Highly Recommended</li><li>SERF for Service Discovery - Required</li></ul></td></tr><tr><td id="Resource_Type">Resource Type</td><td>A resource code identifying the type of resource e.g. dataset, a collection, an application (see MD_ScopeCode) which the metadata describes.</td><td><ul><li>ISO-1 for Service Discovery - Mandatory</li></ul></td></tr><tr><td id="Resource_Update_Frequency">Resource Update Frequency</td><td>The frequency with which changes and additions are made to the data set after the initial data set is completed</td><td><ul><li><b>FGDC for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Resource_Use_Constraints">Resource Use Constraints</td><td>Information about how the data may or may not be used after access is granted to assure the protection of privacy or intellectual property. This includes any special restrictions, legal prerequisites, terms and conditions, and/or limitations on using the data set. Data providers may request acknowledgement of the data from users and claim no responsibility for quality and completeness of data.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>FGDC for Data Discovery - Mandatory</li><li>ISO-1 for Service Discovery - Optional</li><li>SERF for Service Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Resource_on-line_Link">Resource on-line Link</td><td>Online link referencing additional information about the resource.</td><td><ul><li>ECHO for Data Discovery - Recommended</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Result">Result</td><td>The output of the evaluation</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Revision_Date">Revision Date</td><td>Date of revision of the cited resource</td><td><ul><li>Catalog Service for the Web (CSW) Additional Queryable Properties</li></ul></td></tr><tr><td id="Rights">Rights</td><td>Information about rights held in and over the resource</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li></ul></td></tr><tr><td id="Sensor_Characteristics">Sensor Characteristics</td><td>Referential information for the collection source/sensor configuration.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Service">Service</td><td>The end points supported by the web service.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Service_Location">Service Location</td><td>Endpoint for accessing the service.</td><td><ul><li>SERF for Service Discovery - Highly Recommended</li><li>WSDL for Web Service Description</li></ul></td></tr><tr><td id="Service_Operation_Name">Service Operation Name</td><td>Name of an operation provided by the service.</td><td><ul><li>WSDL for Web Service Description</li></ul></td></tr><tr><td id="Service_Operation_Reference">Service Operation Reference</td><td>Provides a reference to the resource on which the service operates.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Service_Profile_Reference">Service Profile Reference</td><td>Profile to which the service adheres.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Service_Resource_Reference">Service Resource Reference</td><td>Reference to the resource on which the service operates.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Service_Standard_Citation">Service Standard Citation</td><td>Standard to which the service adheres.</td><td><ul><li><b>ISO External References</b></li></ul></td></tr><tr><td id="Source">Source</td><td>A reference to a resource from which the present resource is derived.</td><td><ul><li><b>Catalog Services for the Web (CSW) Core Returnable Properties</b></li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Citation">Source Citation</td><td>Recommended reference to be used for the source.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO External References</b></li><li>ISO Lineage</li></ul></td></tr><tr><td id="Source_Citation_Abbreviation">Source Citation Abbreviation</td><td>Short-form alias for the source citation.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Source_Description">Source Description</td><td>Detailed description of the source.</td><td><ul><li>FGDC for Data Understanding</li><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Metadata">Source Metadata</td><td>Reference to metadata for the source.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Reference_System">Source Reference System</td><td>Spatial reference system used by the source.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Scope">Source Scope</td><td>Type and/or extent of the source.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Step">Source Step</td><td>Information about a process step in which this source was used.</td><td><ul><li><b>ISO Lineage</b></li></ul></td></tr><tr><td id="Source_Time_Period">Source Time Period</td><td>Time period for which the source data set corresponds to the ground.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Southernmost_Latitude">Southernmost Latitude</td><td>The southernmost latitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Spatial_Extent">Spatial Extent</td><td>The spatial extent of the resource.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Spatial_Resolution">Spatial Resolution</td><td>The nominal scale and/or spatial resolution of the resource.</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Specific_Usage">Specific Usage</td><td>Brief description of the resource and/or resource series usage.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="Standalone_Report_Citation">Standalone Report Citation</td><td>Reference to external standalone quality report.</td><td><ul><li>ISO External References</li><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Standard_Name_Vocabulary">Standard Name Vocabulary</td><td>The name of the shared vocabulary from which variable standard names are taken.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Start_Time">Start Time</td><td>The start of the bounding time period</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Temporal_Extent">Temporal Extent</td><td>The temporal extent of the resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li><li>ECHO for Data Discovery - Recommended</li><li>FGDC for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Temporal_Keyword">Temporal Keyword</td><td>Keyword identifies a time period related to the resource.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Temporal_Quality_Report">Temporal Quality Report</td><td>Quality of the temporal attributes and temporal relationships of features.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Temporal_Resolution">Temporal Resolution</td><td>The smallest time step included in the resource.</td><td><ul><li><b>Attribute Convention for Data Discovery - Recommended</b></li><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Thematic_Accuracy_Report">Thematic Accuracy Report</td><td>Accuracy of quantitative attributes and the correctness of non-quantitative attributes and of the classifications of features and their relationships.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Topic_Category">Topic Category</td><td>High level category enumeration used in ISO</td><td><ul><li>DIF for Data Discovery - Required</li><li>ISO-1 for Service Discovery - Optional</li></ul></td></tr><tr><td id="Transfer_Size">Transfer Size</td><td>The size of the digital resource</td><td><ul><li>DIF for Data Discovery - Highly Recommended</li></ul></td></tr><tr><td id="Turnaround">Turnaround</td><td>Typical turnaround time for the filling of an order.</td><td><ul><li><b>FGDC for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="TwoDCoordinateSystem">TwoDCoordinateSystem</td><td>Bounding extent defined in two dimensions with min and max values.</td><td><ul><li><b>ECHO for Data Discovery - Recommended</b></li></ul></td></tr><tr><td id="Types">Types</td><td>Describes the data. The XML Schema language (also known as XSD) is used (inline or referenced) for this purpose.</td><td><ul><li><b>WSDL for Web Service Description</b></li></ul></td></tr><tr><td id="Units">Units</td><td>The units of the variables data values.</td><td><ul><li><b>ACDD Variable Attributes for Usability - Highly Recommended</b></li></ul></td></tr><tr><td id="Usability_Report">Usability Report</td><td>Specific quality information about a dataset’s suitability for a particular application or conformance to a set of requirements.</td><td><ul><li><b>ISO Quality</b></li></ul></td></tr><tr><td id="Usage_Time">Usage Time</td><td>Date and time of the first use or range of uses of the resource and/or resource series.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="User_Contact">User Contact</td><td>Identification of and means of communicating with person(s) and organisation(s) using the resource(s).</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="User_Determined_Limitations">User Determined Limitations</td><td>Applications, determined by the user for which the resource and/or resource series is not suitable.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="User_Response">User Response</td><td>Response to the user-determined limitations.</td><td><ul><li><b>ISO User Feedback</b></li></ul></td></tr><tr><td id="Version">Version</td><td>Version of the cited resource</td><td><ul><li>ECHO for Data Discovery - Mandatory</li><li>ECS for Data Discovery - Mandatory</li></ul></td></tr><tr><td id="Version_Description">Version Description</td><td>A brief description of the differences between this collection version and another collection version.</td><td><ul><li><b>ECS for Data Discovery - Mandatory</b></li></ul></td></tr><tr><td id="Vertical_Maximum">Vertical Maximum</td><td>The maximum height of the bounding rectangle</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Vertical_Minimum">Vertical Minimum</td><td>The minimum height of the bounding rectangle</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr><tr><td id="Vertical_Positional_Accuracy_Explanation">Vertical Positional Accuracy Explanation</td><td>The identification of the test that yielded the Vertical Positional Accuracy Value.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Vertical_Positional_Accuracy_Report">Vertical Positional Accuracy Report</td><td>An explanation of the accuracy of the vertical coordinate measurements and a description of the tests used.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Vertical_Positional_Accuracy_Value">Vertical Positional Accuracy Value</td><td>an estimate of the accuracy of the vertical coordinate measurement in the data set expressed in (ground) meters.</td><td><ul><li><b>FGDC for Data Understanding</b></li></ul></td></tr><tr><td id="Westernmost_Longitude">Westernmost Longitude</td><td>The westernmost longitude of the bounding rectangle.</td><td><ul><li>Attribute Convention for Data Discovery - Recommended</li></ul></td></tr></table>
 
[[Category:Documentation Connections]]
 
[[Category:Documentation Connections]]

Revision as of 15:26, October 24, 2014

Recommendation Spirals:

  • Attribute Convention for Data Discovery - Highly Recommended
  • Attribute Convention for Data Discovery - Recommended
  • Attribute Convention for Data Discovery - Suggested
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Service for the Web (CSW) Additional Queryable Properties
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Required
  • DIF for Data Discovery - Highly Recommended
  • ECHO for Data Discovery - Mandatory
  • ECHO for Data Discovery - Recommended
  • ECS for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Mandatory
  • ISO-1 for Service Discovery - Conditional
  • ISO-1 for Service Discovery - Optional
  • ACDD Variable Attributes for Usability - Highly Recommended
  • SERF for Service Discovery - Required
  • SERF for Service Discovery - Highly Recommended
  • WSDL for Web Service Description
  • ISO Lineage
  • ISO Quality
  • ISO External References
  • FGDC for Data Understanding
  • ISO User Feedback


NameDescriptionRecommendations
AbstractA paragraph describing the resource.
  • Attribute Convention for Data Discovery - Highly Recommended
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Required
  • ECHO for Data Discovery - Mandatory
  • ECS for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Mandatory
  • SERF for Service Discovery - Required
AcknowledgementProvides a place to acknowledge various types of support for the project that produced the data.
  • Attribute Convention for Data Discovery - Recommended
Additional AttributesAttributes used to describe unique characteristics of the collection which extend beyond those defined in the model.
  • ECHO for Data Discovery - Recommended
Additional Lineage DocumentationAdditional descriptive information, such as a publication that describes the process for generating the resource.
  • ISO External References
Additional Resource DocumentationOther documentation associated with the resource.
  • ISO External References
Additional Usage DocumentationPublications that describe usage of data.
  • ISO External References
  • ISO User Feedback
Algorithm CitationInformation identifying the algorithm and version or date.
  • ISO External References
Alternate Metadata CitationReference to alternative metadata or metadata in a non-ISO standard for the same resource.
  • ISO External References
Application Schema InformationName of the application schema used.
  • ISO External References
AssociatedDIFsSpecifies the Directory Interchange Format (DIF) identifier for the collection.
  • ECHO for Data Discovery - Recommended
AssociationComplete statement of a one-to-one relationship
  • Catalog Services for the Web (CSW) Core Queryables
Attribute Accuracy ExplanationThe identification of the test that yielded the Attribute Accuracy Value.
  • FGDC for Data Understanding
Attribute Accuracy ReportAn explanation of the accuracy of the identification of the entities and assignments of values in the data set and a description of the tests used
  • FGDC for Data Understanding
Attribute Accuracy ValueAn estimate of the accuracy of the identification of the entities and assignments of attribute values in the data set
  • FGDC for Data Understanding
Author / OriginatorThe principal author of the resource
  • Catalog Services for the Web (CSW) Core Returnable Properties
Author / Originator Email AddressThe electronic mail address of the principal author of the resource
  • Attribute Convention for Data Discovery - Recommended
Author / Originator World Wide Web AddressThe World Wide Web mail address of the principal author of the cited resource
  • Attribute Convention for Data Discovery - Recommended
BindingA protocol and data format specification for a particular interface.
  • WSDL for Web Service Description
Bounding BoxA bounding box for identifying a geographic area of interest
  • Attribute Convention for Data Discovery - Recommended
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DIF for Data Discovery - Highly Recommended
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Mandatory
Browse File NameName of the file holding the browse graphic.
  • ECHO for Data Discovery - Recommended
Common Data Model DatatypeThe THREDDS data type for this resource.
  • Attribute Convention for Data Discovery - Recommended
Complete CitationComplete citation for the resource as a text blob.
  • DIF for Data Discovery - Highly Recommended
Completeness ReportInformation about omissions, selection criteria, generalization, definitions used, and other rules used to derive the data set.
  • FGDC for Data Understanding
  • ISO Quality
ConfidenceTrustworthiness of a data quality result.
  • ISO Quality
Conformance ResultInformation about the outcome of evaluating the obtained value (or set of values) against a specified acceptable conformance quality level.
  • ISO Quality
Constraint ReferenceCitation for the limitation or constraint.
  • ISO External References
Contributor NameContributor to the resource
  • Attribute Convention for Data Discovery - Suggested
  • Catalog Services for the Web (CSW) Core Returnable Properties
Contributor RoleThe role of any individuals or institutions that contributed to the creation of the data.
  • Attribute Convention for Data Discovery - Suggested
Coordinate Reference System (CRS)Geographic Coordinate Reference System (Authority and ID) for the BoundingBox
  • Catalog Services for the Web (CSW) Core Queryables
Coupled ResourceIdentifier and name of the dataset to which the service is coupled.
  • ISO-1 for Service Discovery - Conditional
Coupled TypeDescribes the tightness of the coupling to the coupled resource.
  • ISO-1 for Service Discovery - Conditional
Coverage Content TypeAn item from a shared vocabulary of content types: image, thematicClassification, physicalMeasurement, auxiliaryInformation, qualityInformation, referenceInformation, modelResult
  • ACDD Variable Attributes for Usability - Highly Recommended
Coverage ResultResult organising the measured values as a coverage.
  • ISO Quality
Creation DateDate of creation of the cited resource
  • ISO-1 for Service Discovery - Mandatory
A link to data produced by the project.
  • ECHO for Data Discovery - Recommended
Data Quality ScopeThe specific data to which the data quality information applies.
  • ISO Quality
DateThe date of a creation or update event of the catalogue record.
  • Catalog Services for the Web (CSW) Core Returnable Properties
Descriptive ResultData quality descriptive result.
  • ISO Quality
Distribution ContactContact information for the organization or individual that distributes the resource.
  • DIF for Data Discovery - Required
  • ECHO for Data Discovery - Recommended
  • ECS for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
  • SERF for Service Discovery - Highly Recommended
  • SERF for Service Discovery - Required
Distribution LiabilityStatement of the liability assumed by the distributor.
  • FGDC for Data Discovery - Mandatory
Easternmost LongitudeThe easternmost longitude of the bounding rectangle.
  • Attribute Convention for Data Discovery - Recommended
End TimeThe end of the bounding time period
  • Attribute Convention for Data Discovery - Recommended
Evaluation Method DescriptionDescription of the evaluation method.
  • ISO Quality
Evaluation ProcedureReference to the procedure information.
  • ISO External References
  • ISO Quality
Evaluation ReferenceInformation on documents which are referenced in developing and applying a data quality evaluation method.
  • ISO Quality
Evaluation Reference DocumentInformation on documents which are referenced in developing and applying a data quality evaluation method.
  • ISO External References
Evaluation SpecificationCitation of data product specification or user requirement against which data is being evaluated.
  • ISO External References
Evalulation MethodThe procedure used to evaluate the measure.
  • ISO Quality
Evalulation Method TypeType of method used to evaluate quality of the data.
  • ISO Quality
Feature Catalogue CitationInformation identifying the feature catalogue or the conceptual schema.
  • ISO External References
Format CitationCitation/URL of the specification for the format.
  • ISO External References
Has Security ConstraintsAre there any security constraints?
  • Catalog Service for the Web (CSW) Additional Queryable Properties
HomogeneityExpected or tested uniformity of the results obtained for a data quality evaluation.
  • ISO Quality
Horizontal Positional Accuracy ExplanationThe identification of the test that yielded the Horizontal Positional Accuracy Value.
  • FGDC for Data Understanding
Horizontal Positional Accuracy ReportAn explanation of the accuracy of the horizontal coordinate measurements and a description of the tests used.
  • FGDC for Data Understanding
Horizontal Positional Accuracy ValueAn estimate of the accuracy of the horizontal coordinate measurements in the data set expressed in (ground) meters.
  • FGDC for Data Understanding
Identified Issues CitationCitation of a description of known issues associated with the resource along with proposed solutions if available.
  • ISO External References
  • ISO User Feedback
InstrumentInformation about the instrument used to make the observations.
  • DIF for Data Discovery - Highly Recommended
Instrument CitationA citation to reference material that provides details about the instrument.
  • ISO External References
Instrument KeywordKeywords that describe the instrument used to collect the resource.
  • SERF for Service Discovery - Highly Recommended
Instrument TypeThe type of instrument.
  • ECHO for Data Discovery - Recommended
InterfaceA set of operations supported by one or more service endpoints.
  • WSDL for Web Service Description
KeywordA word or phrase that describes some aspect of a resource. Can be one of several types.
  • ACDD Variable Attributes for Usability - Highly Recommended
  • Attribute Convention for Data Discovery - Highly Recommended
  • Catalog Services for the Web (CSW) Core Queryables
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Required
  • ECHO for Data Discovery - Recommended
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Optional
  • SERF for Service Discovery - Required
Keyword Ontology CitationReference that binds the keyword class to a formal conceptualization of a knowledge domain for use in semantic processing.
  • ISO External References
Keyword TypeMethods used to group similar keywords
  • Catalog Service for the Web (CSW) Additional Queryable Properties
Keyword VocabularyIf you are following a guideline or using a shared vocabulary for the words/phrases in your "keywords" attribute, put the name of that guideline here.
  • ACDD Variable Attributes for Usability - Highly Recommended
  • Attribute Convention for Data Discovery - Recommended
Keyword Vocabulary CitationName of the formally registered thesaurus or a similar authoritative source of keywords.
  • ISO External References
Lineage ScopeType of resource and/or extent to which the lineage information applies.
  • ISO Lineage
Lineage StatementInformation and references for sources and processes that were used to create the dataset and an audit trail for modifications to the original data.
  • Attribute Convention for Data Discovery - Recommended
  • ISO Lineage
Logical ConsistencyThe degree of adherence to logical rules of data structure, attribution and relationships (data structure can be conceptual, logical or physical).
  • ISO Quality
Logical Consistency ReportAn explanation of the fidelity of relationships in the data set and tests used.
  • FGDC for Data Understanding
MeasureThe type of evaluation
  • ISO Quality
Measure DescriptionDescription of the measure.
  • ISO Quality
Measure IdentifierIdentifier of the measure, value uniquely identifying the measure within a namespace.
  • ISO Quality
Measure NameName of the test applied to the data.
  • ISO Quality
Measure Source CitationReference to the source.
  • ISO External References
Measure TimeDate or range of dates on which a data quality measure was applied.
  • ISO Quality
MediaMedia on which the resource is available
  • DIF for Data Discovery - Highly Recommended
  • FGDC for Data Understanding
  • SERF for Service Discovery - Highly Recommended
Medium ReferenceName of the medium on which the resource can be stored (resourceFormat) or distributed.
  • ISO External References
Metadata ContactThe organization or person currently responsible for the metadata.
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Mandatory
Metadata IdentifierA phrase or string which uniquely identifies the metadata file/record.
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Required
  • ISO-1 for Service Discovery - Optional
  • SERF for Service Discovery - Required
Metadata LanguageLanguage of the metadata
  • Catalog Service for the Web (CSW) Additional Queryable Properties
  • Catalog Services for the Web (CSW) Core Returnable Properties
Metadata Profile CitationCitation for the profile(s) of the metadata standard to which the metadata conforms.
  • ISO External References
Metadata Standard CitationThe name of the standard to which the metadata conforms
  • DIF for Data Discovery - Required
  • FGDC for Data Discovery - Mandatory
  • ISO External References
Metadata Standard VersionThe name of the standard to which the metadata conforms
  • DIF for Data Discovery - Required
  • FGDC for Data Discovery - Mandatory
Modified DateDate on which the record was created or updated within the catalogue
  • Catalog Services for the Web (CSW) Core Queryables
  • DCAT for Data Discovery - Mandatory
  • ECHO for Data Discovery - Mandatory
  • ECS for Data Discovery - Mandatory
Naming AuthorityThe organization responsible for the maintenance of the identifier (namespace)
  • Attribute Convention for Data Discovery - Recommended
Northernmost LatitudeThe northernmost latitude of the bounding rectangle.
  • Attribute Convention for Data Discovery - Recommended
Online ResourceOnline Resource for the cited resource
  • DIF for Data Discovery - Highly Recommended
Operation CitationIdentification of the mission.
  • ISO External References
Ordering InstructionsGeneral instructions, terms and services provided by the distributor
  • ECHO for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
Organization NameName of the organization
  • Catalog Service for the Web (CSW) Additional Queryable Properties
Originating OrganizationThe organization responsible for creating the resource
  • Attribute Convention for Data Discovery - Recommended
  • FGDC for Data Discovery - Mandatory
Paleo-Temporal CoverageFor paleoclimate or geologic data, “Paleo_Temporal_Coverage” is the period of time covered by the data collected.
  • DIF for Data Discovery - Highly Recommended
Parameters CitationReference providing description of the parameters.
  • ISO External References
Parent IdentifierA unique identifier for a parent dataset or collection
  • Catalog Service for the Web (CSW) Additional Queryable Properties
Parent Metadata ReferenceIdentification of the parent metadata record.
  • ISO External References
Place KeywordA comma separated list of key words and phrases that give the location of the resource.
  • DIF for Data Discovery - Highly Recommended
Plan CitationIdentification of authority requesting target collection.
  • ISO External References
PlatformThe platform used to collect the observations.
  • DIF for Data Discovery - Highly Recommended
Platform CitationSource where information about the platform is described.
  • ISO External References
Platform KeywordKeywords that describe the platform used to collect the resource.
  • ECHO for Data Discovery - Recommended
  • SERF for Service Discovery - Highly Recommended
Portrayal Catalogue CitationInformation identifying the portrayal catalogue used.
  • ISO External References
Positional Accuracy ReportAccuracy of the position of features within a spatial reference system.
  • ISO Quality
Process StepA step in the processing that produced a resource
  • ISO Lineage
Process Step DescriptionDescription of the event, including related parameters or tolerances.
  • FGDC for Data Understanding
  • ISO Lineage
Process Step PurposeRequirement or purpose for the process step.
  • ISO Lineage
Process Step ReferenceProcess step documentation.
  • ISO External References
  • ISO Lineage
Process Step ScopeType of resource and/or extent to which the process step applies.
  • ISO Lineage
Process Step Source Produced
  • FGDC for Data Understanding
Process Step Source UsedThe Source Citation Abbreviation of a data set used in the processing step.
  • FGDC for Data Understanding
Process Step TimeDate, time, range or period of process step.
  • FGDC for Data Understanding
  • ISO Lineage
Processing CitationReference to documentation describing the processing.
  • ISO External References
Processing LevelA code that indicates the extent of processing done in the creation of a dataset.
  • Attribute Convention for Data Discovery - Recommended
  • ECHO for Data Discovery - Recommended
Processing Software ReferenceReference to document describing processing software.
  • ISO External References
ProcessorIdentification of, and means of communication with, person(s) and organisation(s) associated with the process step.
  • ECS for Data Discovery - Mandatory
  • FGDC for Data Understanding
  • ISO Lineage
Project KeywordKeywords that describe the Project used to collect the resource.
  • SERF for Service Discovery - Highly Recommended
Project NameThe name of the project that the resource was associated with.
  • Attribute Convention for Data Discovery - Recommended
Publication DateDate of publication of the cited resource
  • Catalog Service for the Web (CSW) Additional Queryable Properties
  • ECHO for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
PublisherPublisher of the cited resource
  • Attribute Convention for Data Discovery - Suggested
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DCAT for Data Discovery - Mandatory
Publisher E-MailEmail associated with the publisher of the cited resource
  • Attribute Convention for Data Discovery - Suggested
Publisher URLWorld Wide Web address associated with the publisher of the cited resource
  • Attribute Convention for Data Discovery - Suggested
PurposeA paragraph describing the original purpose for collecting the dataset.
  • FGDC for Data Discovery - Mandatory
  • SERF for Service Discovery - Required
Quality StatementInformation about the quality of the data or any quality assurance procedures followed in producing the data.
  • DIF for Data Discovery - Highly Recommended
Quantitative ResultThe values or information about the value(s) (or set of values) obtained from applying a data quality measure.
  • ISO Quality
Related Metadata CitationReference to the metadata of the associated resource.
  • ISO External References
Citation information about the associated resource.
  • ISO External References
Identifier for a resource related to the resource being described.
  • ECHO for Data Discovery - Recommended
RelationA reference to a related resource.
  • Catalog Services for the Web (CSW) Core Returnable Properties
ReportQuantitative quality information for the data specified by the scope.
  • ISO Quality
RepresentativityDegree to which the sample used has produced a result which is representative of the data within the data quality scope.
  • ISO Quality
Requirement CitationIdentification of reference or guidance material for the requirement.
  • ISO External References
Resource Access ConstraintsInformation about any constraints for accessing the data set. This includes any special restrictions, legal prerequisites, limitations and/or warnings on obtaining the data set. Some words that may be used in this field include: Public, In-house, Limited, Additional detailed instructions on how to access the data can be entered in this field.
  • Attribute Convention for Data Discovery - Recommended
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Highly Recommended
  • ECHO for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
  • SERF for Service Discovery - Highly Recommended
Resource CitationCitation for the resource.
  • ISO External References
  • SERF for Service Discovery - Highly Recommended
Resource ContactThe organization or person responsible for answering questions about the resource.
  • Attribute Convention for Data Discovery - Recommended
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Highly Recommended
  • ECHO for Data Discovery - Recommended
  • ISO-1 for Service Discovery - Optional
  • SERF for Service Discovery - Highly Recommended
Resource Cost or FeesCost associated with access to the resource
  • ECHO for Data Discovery - Recommended
  • FGDC for Data Discovery - Mandatory
  • SERF for Service Discovery - Highly Recommended
Resource Creation/Revision DateThe date the resource was created
  • Attribute Convention for Data Discovery - Recommended
  • Catalog Service for the Web (CSW) Additional Queryable Properties
  • ISO-1 for Service Discovery - Optional
Resource DurationThe temporal duration of a resource.
  • Attribute Convention for Data Discovery - Recommended
Resource FormatThe physical or digital manifestation of the resource
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DIF for Data Discovery - Highly Recommended
  • SERF for Service Discovery - Highly Recommended
Resource IdentifierIdentifier for the resource described by the metadata
  • Attribute Convention for Data Discovery - Recommended
  • Catalog Service for the Web (CSW) Additional Queryable Properties
  • ECHO for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Optional
Resource LanguageThe language of the resource.
  • DIF for Data Discovery - Highly Recommended
  • SERF for Service Discovery - Highly Recommended
Resource Long NameThe reference name used in describing the scientific contents of the data collection.
  • ECHO for Data Discovery - Mandatory
Resource Quality DescriptionDescription of the quality of the resource or any quality assurance procedures followed in producing the resource.
  • SERF for Service Discovery - Highly Recommended
Resource ScopeThe nature or genre of the content of the resource. Type can include general categories, genres or aggregation levels of content.
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Services for the Web (CSW) Core Returnable Properties
Resource StatusThe status of the resource
  • DIF for Data Discovery - Highly Recommended
  • FGDC for Data Discovery - Mandatory
Resource TitleA short description of the resource. The title should be descriptive enough so that when a user is presented with a list of titles the general content of the data set can be determined.
  • Attribute Convention for Data Discovery - Highly Recommended
  • Catalog Services for the Web (CSW) Core Queryables
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • DCAT for Data Discovery - Mandatory
  • DIF for Data Discovery - Highly Recommended
  • DIF for Data Discovery - Required
  • ECHO for Data Discovery - Mandatory
  • ECS for Data Discovery - Mandatory
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Mandatory
  • SERF for Service Discovery - Highly Recommended
  • SERF for Service Discovery - Required
Resource TypeA resource code identifying the type of resource e.g. dataset, a collection, an application (see MD_ScopeCode) which the metadata describes.
  • ISO-1 for Service Discovery - Mandatory
Resource Update FrequencyThe frequency with which changes and additions are made to the data set after the initial data set is completed
  • FGDC for Data Discovery - Mandatory
Resource Use ConstraintsInformation about how the data may or may not be used after access is granted to assure the protection of privacy or intellectual property. This includes any special restrictions, legal prerequisites, terms and conditions, and/or limitations on using the data set. Data providers may request acknowledgement of the data from users and claim no responsibility for quality and completeness of data.
  • DIF for Data Discovery - Highly Recommended
  • FGDC for Data Discovery - Mandatory
  • ISO-1 for Service Discovery - Optional
  • SERF for Service Discovery - Highly Recommended
Online link referencing additional information about the resource.
  • ECHO for Data Discovery - Recommended
  • ISO-1 for Service Discovery - Optional
ResultThe output of the evaluation
  • ISO Quality
Revision DateDate of revision of the cited resource
  • Catalog Service for the Web (CSW) Additional Queryable Properties
RightsInformation about rights held in and over the resource
  • Catalog Services for the Web (CSW) Core Returnable Properties
Sensor CharacteristicsReferential information for the collection source/sensor configuration.
  • ECHO for Data Discovery - Recommended
ServiceThe end points supported by the web service.
  • WSDL for Web Service Description
Service LocationEndpoint for accessing the service.
  • SERF for Service Discovery - Highly Recommended
  • WSDL for Web Service Description
Service Operation NameName of an operation provided by the service.
  • WSDL for Web Service Description
Service Operation ReferenceProvides a reference to the resource on which the service operates.
  • ISO External References
Service Profile ReferenceProfile to which the service adheres.
  • ISO External References
Service Resource ReferenceReference to the resource on which the service operates.
  • ISO External References
Service Standard CitationStandard to which the service adheres.
  • ISO External References
SourceA reference to a resource from which the present resource is derived.
  • Catalog Services for the Web (CSW) Core Returnable Properties
  • ISO Lineage
Source CitationRecommended reference to be used for the source.
  • FGDC for Data Understanding
  • ISO External References
  • ISO Lineage
Source Citation AbbreviationShort-form alias for the source citation.
  • FGDC for Data Understanding
Source DescriptionDetailed description of the source.
  • FGDC for Data Understanding
  • ISO Lineage
Source MetadataReference to metadata for the source.
  • ISO Lineage
Source Reference SystemSpatial reference system used by the source.
  • ISO Lineage
Source ScopeType and/or extent of the source.
  • ISO Lineage
Source StepInformation about a process step in which this source was used.
  • ISO Lineage
Source Time PeriodTime period for which the source data set corresponds to the ground.
  • FGDC for Data Understanding
Southernmost LatitudeThe southernmost latitude of the bounding rectangle.
  • Attribute Convention for Data Discovery - Recommended
Spatial ExtentThe spatial extent of the resource.
  • ECHO for Data Discovery - Recommended
Spatial ResolutionThe nominal scale and/or spatial resolution of the resource.
  • DIF for Data Discovery - Highly Recommended
Specific UsageBrief description of the resource and/or resource series usage.
  • ISO User Feedback
Standalone Report CitationReference to external standalone quality report.
  • ISO External References
  • ISO Quality
Standard Name VocabularyThe name of the shared vocabulary from which variable standard names are taken.
  • Attribute Convention for Data Discovery - Recommended
Start TimeThe start of the bounding time period
  • Attribute Convention for Data Discovery - Recommended
Temporal ExtentThe temporal extent of the resource
  • DIF for Data Discovery - Highly Recommended
  • ECHO for Data Discovery - Recommended
  • FGDC for Data Discovery - Mandatory
Temporal KeywordKeyword identifies a time period related to the resource.
  • ECHO for Data Discovery - Recommended
Temporal Quality ReportQuality of the temporal attributes and temporal relationships of features.
  • ISO Quality
Temporal ResolutionThe smallest time step included in the resource.
  • Attribute Convention for Data Discovery - Recommended
  • DIF for Data Discovery - Highly Recommended
Thematic Accuracy ReportAccuracy of quantitative attributes and the correctness of non-quantitative attributes and of the classifications of features and their relationships.
  • ISO Quality
Topic CategoryHigh level category enumeration used in ISO
  • DIF for Data Discovery - Required
  • ISO-1 for Service Discovery - Optional
Transfer SizeThe size of the digital resource
  • DIF for Data Discovery - Highly Recommended
TurnaroundTypical turnaround time for the filling of an order.
  • FGDC for Data Discovery - Mandatory
TwoDCoordinateSystemBounding extent defined in two dimensions with min and max values.
  • ECHO for Data Discovery - Recommended
TypesDescribes the data. The XML Schema language (also known as XSD) is used (inline or referenced) for this purpose.
  • WSDL for Web Service Description
UnitsThe units of the variables data values.
  • ACDD Variable Attributes for Usability - Highly Recommended
Usability ReportSpecific quality information about a dataset’s suitability for a particular application or conformance to a set of requirements.
  • ISO Quality
Usage TimeDate and time of the first use or range of uses of the resource and/or resource series.
  • ISO User Feedback
User ContactIdentification of and means of communicating with person(s) and organisation(s) using the resource(s).
  • ISO User Feedback
User Determined LimitationsApplications, determined by the user for which the resource and/or resource series is not suitable.
  • ISO User Feedback
User ResponseResponse to the user-determined limitations.
  • ISO User Feedback
VersionVersion of the cited resource
  • ECHO for Data Discovery - Mandatory
  • ECS for Data Discovery - Mandatory
Version DescriptionA brief description of the differences between this collection version and another collection version.
  • ECS for Data Discovery - Mandatory
Vertical MaximumThe maximum height of the bounding rectangle
  • Attribute Convention for Data Discovery - Recommended
Vertical MinimumThe minimum height of the bounding rectangle
  • Attribute Convention for Data Discovery - Recommended
Vertical Positional Accuracy ExplanationThe identification of the test that yielded the Vertical Positional Accuracy Value.
  • FGDC for Data Understanding
Vertical Positional Accuracy ReportAn explanation of the accuracy of the vertical coordinate measurements and a description of the tests used.
  • FGDC for Data Understanding
Vertical Positional Accuracy Valuean estimate of the accuracy of the vertical coordinate measurement in the data set expressed in (ground) meters.
  • FGDC for Data Understanding
Westernmost LongitudeThe westernmost longitude of the bounding rectangle.
  • Attribute Convention for Data Discovery - Recommended
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