Difference between revisions of "MD Metadata"

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Comprehensive explorer of ISO 19115 and 19115-2 metadata standards. These pages show the correct order of the elements, links to child element/object, obligation, repeatability and references to more information and examples. <br>
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[[Image:MD_Metadata.png|thumb|right|MD_Metadata.png]]
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== mdb:MD_Metadata ==
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The root element of the ISO Metadata Standards contains information about the metadata and sections that contain other information.
  
{| width="1104" cellpadding="3"
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<div id="elementsAndDefinitionsManual">
|-
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<!--elements, definitions, and examples for class: MD_Metadata-->
! valign="top" align="left" colspan="3" |
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<table cellpadding="3" width="100%">
Elements
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<tr>
| bgcolor="#ffffff" | '''''Definition and Recommended Practice'''''
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<th colspan="3">Elements</th>
| '''<pre>Examples</pre>'''
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<th width="10%">Domain</th>
|- bgcolor="CCFFFF"
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<th width="50%"><i>Definition and Recommended Practice</i></th>
| <br>  
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<th width="30%"><i>Examples</i></th>
| [[CharacterString|fileIdentifier]]
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</tr>
| 0..1  
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<tr>
| bgcolor="#ffffff" | ''Value that uniquely identifies this metadata record. This identifer is assigned and maintained by the custodian of the metadata record. Recommended Practice: value of identifier is usually the same as the name of the metadata file - for example C00500.xml. There are two general approaches to ensuring uniqueness for these identifiers: 1. use a universal unique identifier (UUID), to distinguish it from other resources. 2. Include a namespace and a code guarenteed to be unique in that namespace in the identifier. For example: gov.noaa.class:AERO100. In this case gov.noaa.class is a namespace and AERO100 is a code guaranteed to be unique in that namespace.''
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<td bgcolor="CCFFFF">1</td>
| bgcolor="#ffffff" | <pre>gov.noaa.ncdc:C00500</pre>
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<td bgcolor="CCFFFF">[[MD_Identifier|mdb:metadataIdentifier]]</td>
|- bgcolor="CCFF99"
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<td bgcolor="CCFFFF">0..1</td>
| 2  
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<td bgcolor="CCFFFF">[[MD_Identifier|mcc:MD_Identifier]]</td>
| [[CharacterString|language]]  
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<td>Unique identifier for this metadata record, assigned and maintained by the custodian of the metadata record.<br>Recommended Practice: value of identifier is usually the same as the name of the metadata file - for example C00500.xml.  
| 0..1  
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:There are two general approaches to ensuring uniqueness for these identifiers:
| bgcolor="#ffffff" | ''Language of the metadata record composed of as an ISO639-2/T three letter language code and an ISO3166-1 three letter country code.''
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::1. use a universal unique identifier (UUID), to distinguish it from other resources.  
| bgcolor="#ffffff" | <pre>eng; USA</pre>
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::2. Include a namespace and a code guarenteed to be unique in that namespace in the identifier.</td>
|- bgcolor="CCFF99"
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<td><i>Example: gov.noaa.class:AERO100. In this case gov.noaa.class is a namespace and AERO100 is a code guaranteed to be unique in that namespace</i></td>
| 3  
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</tr>
| [[ISO 19115 and 19115-2 CodeList Dictionaries#MD_CharacterSetCode|characterSet]]  
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<tr>
| 0..1  
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<td bgcolor="CCFFFF">2</td>
| bgcolor="#ffffff" |  
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<td bgcolor="CCFFFF">[[PT_Locale|mdb:defaultLocale]]</td>
| bgcolor="#ffffff" | <pre>utf-8</pre>
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<td bgcolor="CCFFFF">0..1</td>
|- bgcolor="CCFFFF"
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<td bgcolor="CCFFFF">[[PT_Locale|lan:PT_Locale]]</td>
| 4  
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<td>Default language, country of origin and characterSet used in metadata.  
| [[CharacterString|parentIdentifier]]  
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: defaultLocale is mandatory when more than one language is used in free text descriptions</td>
| 0..1
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<td><i></i></td>
| bgcolor="#ffffff" | <br> ''Document a higher level metadata record if it exists. Provide full citation to parent in the [[MD_AggregateInformation]] section.''
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</tr>
| bgcolor="#ffffff" | <br>
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<tr>
|- bgcolor="CCFF99"
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<td bgcolor="CCFFFF">3</td>
| 5  
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<td bgcolor="CCFFFF">[[CI_Citation|mdb:parentMetadata]]</td>
| [[ISO 19115 and 19115-2 CodeList Dictionaries#MD_ScopeCode|hierarchyLevel]]  
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<td bgcolor="CCFFFF">0..1</td>
| 0..*  
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<td bgcolor="CCFFFF">[[CI_Citation|cit:CI_Citation]]</td>
| bgcolor="#ffffff" | ''Scope of resource to which the metadata applies. Most common values to use are the following: 'dataset' for granule level, 'series' for collection level, 'nonGeographicDataset' for space weather, 'fieldSession' for cruises or surveys, 'service' for map services and 'model'. Repeat if more than one scope is applicable to this metadata description.''
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<td>Citation to a parent level metadata record</td>
| bgcolor="#ffffff" | <br>
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<td><i></i></td>
|- bgcolor="CCFF99"
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</tr>
| 6  
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<tr>
| [[CharacterString|hierarchyLevelName]]  
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<td bgcolor="CCFFFF">4</td>
| 0..*  
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<td bgcolor="CCFFFF">[[MD_MetadataScope|mdb:metadataScope]]</td>
| bgcolor="#ffffff" | <br>  
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<td bgcolor="CCFFFF">0..*</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">[[MD_MetadataScope|mdb:MD_MetadataScope]]</td>
|- bgcolor="FFFF99"
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<td>Scope of resource to which the metadata applies. Now includes an MD_ScopeCode and a name for a hierarchy level. Repeat if more than one scope is applicable to this metadata description.</td>
| 7
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<td><i></i></td>
| [[CI ResponsibleParty|contact]]
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</tr>
| 1..*
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<tr>
| bgcolor="#ffffff" | ''Individual and/or organization responsible for metadata creation and maintenance. Use roleCode="pointOfContact". Provide contact details, such address, phone and email.''
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<td bgcolor="FFFF99">5</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="FFFF99">[[CI_Responsibility|mdb:contact]]</td>
|- bgcolor="FFFF99"
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<td bgcolor="FFFF99">1..*</td>
| 8
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<td bgcolor="FFFF99">[[CI_Responsibility|cit:CI_Responsibility]]</td>
| dateStamp ''(choose one)''
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<td>Individual and/or organization responsible for metadata creation and maintenance. Use roleCode="pointOfContact". Provide contact details, such address, phone and email.</td>
*[[Date]]  
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<td><i></i></td>
*[[DateTime]]
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</tr>
 
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<tr>
| 1
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<td bgcolor="FFFF99">6</td>
| bgcolor="#ffffff" | ''Date of last metadata update. Highly recommend revisiting the metadata content annually to ensure that all the information is still relevant. Use ISO 8601 extended format: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS.''
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<td bgcolor="FFFF99">[[CI_Date|mdb:dateInfo]]</td>
| bgcolor="#ffffff" | <pre>2015-12-08</pre><br>
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<td bgcolor="FFFF99">1..*</td>
|- bgcolor="FFFF99"
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<td bgcolor="FFFF99">[[CI_Date|cit:CI_Date]]</td>
| 9
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<td>Date(s) associated with the metadata record. Highly recommend revisiting the metadata content annually to ensure that all the information is still relevant.
| [[CharacterString|metadataStandardName]]  
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:Creation date must be provided, others can also be provided
| 1
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:Use ISO 8601 extended format: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS.</td>
| bgcolor="#ffffff" |'' Name of the metadata standard used. Use text in the example.''
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<td><i></i></td>
| bgcolor="#ffffff" | <pre>ISO 19115-2 Geographic
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</tr>
Information - Metadata - Part 2: Extensions
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<tr>
for Imagery and Gridded Data</pre>
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<td bgcolor="CCFFFF">7</td>
|- bgcolor="FFFF99"
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<td bgcolor="CCFFFF">[[CI_Citation|mdb:metadataStandard]]</td>
| 10
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<td bgcolor="CCFFFF">0..*</td>
| [[CharacterString|metadataStandardVersion]]  
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<td bgcolor="CCFFFF">[[CI_Citation|cit:CI_Citation]]</td>
| 1
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<td>Citation of the metadata standard used.</td>
| bgcolor="#ffffff" | ''Version of the metadata standard used. Use text in the example.''
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<td><i></i></td>
| bgcolor="#ffffff" | <pre>ISO 19115-2:2009(E)</pre>
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</tr>
|- bgcolor="CCFFFF"
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<tr>
| 11
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<td bgcolor="CCFFFF">8</td>
| [[CharacterString|dataSetURI]]
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<td bgcolor="CCFFFF">[[CI_Citation|mdb:metadataProfile]]</td>
| 0..1
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<td bgcolor="CCFFFF">0..*</td>
| bgcolor="#ffffff" | ''Not recommended for use: deprecated from ISO 19115-1''
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<td bgcolor="CCFFFF">[[CI_Citation|cit:CI_Citation]]</td>
| bgcolor="#ffffff" | <br>
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<td>Citation of the profile(s) of the metadata standard used.</td>
|- bgcolor="CCFFFF"
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<td><i></i></td>
| 12
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</tr>
| [[PT Locale|locale]]  
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<tr>
| 0..*
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<td bgcolor="CCFFFF">9</td>
| bgcolor="#ffffff" | ''Other languages used in metadata. Locale is mandatory when more than one language is used in free text descriptions.''
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<td bgcolor="CCFFFF">[[CI_Citation|mdb:alternativeMetadataReference]]</td>
<br>  
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<td bgcolor="CCFFFF">0..*</td>
 
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<td bgcolor="CCFFFF">[[CI_Citation|cit:CI_Citation]]</td>
| bgcolor="#ffffff" | <br>
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<td>Citation to alternative metadata for the resource.</td>
|- bgcolor="CCFFFF"
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<td><i></i></td>
| 13
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</tr>
| [[MD SpatialRepresentation|spatialRepresentationInfo ]]  
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<tr>
| 0..*
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<td bgcolor="CCFFFF">10</td>
| bgcolor="#ffffff" | ''Digital representation of spatial information in the dataset.''
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<td bgcolor="CCFFFF">[[PT_Locale|mdb:otherLocale]]</td>
<br>  
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<td bgcolor="CCFFFF">0..*</td>
 
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<td bgcolor="CCFFFF">[[PT_Locale|lan:PT_Locale]]</td>
| bgcolor="#ffffff" | <br>
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<td>Alternative language, country of origin and characterSet used in metadata.</td>
|- bgcolor="CCFFFF"
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<td><i></i></td>
| 14
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</tr>
| [[MD ReferenceSystem|referenceSystemInfo]]  
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<tr>
| 0..*
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<td bgcolor="CCFFFF">11</td>
| bgcolor="#ffffff" | ''Identification of the horizontal projections, vertical datums and temporal reference systems used. Mandatory if spatialRepresentationType in dataIdentification is vector, grid, or tin''
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<td bgcolor="CCFFFF">[[CI_OnlineResource|mdb:metadataLinkage]]</td>
<br>
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<td bgcolor="CCFFFF">0..*</td>
 
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<td bgcolor="CCFFFF">[[CI_OnlineResource|cit:CI_OnlineResource]]</td>
| bgcolor="#ffffff" | <br>
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<td>Online location information for the metadata.</td>
|- bgcolor="CCFFFF"
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<td><i></i></td>
| 15
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</tr>
| [[MD MetadataExtensionInformation|metadataExtensionInfo]]
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<tr>
| 0..*  
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<td bgcolor="CCFFFF">12</td>
| bgcolor="#ffffff" | ''Information describing metadata extensions.'' <br>  
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<td bgcolor="CCFFFF">[[MD_SpatialRepresentation|mdb:spatialRepresentationInfo]]</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">0..*</td>
|- bgcolor="FFFF99"
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<td bgcolor="CCFFFF">[[MD_SpatialRepresentation|msr:MD_SpatialRepresentation]]</td>
| 16
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<td>Spatial representation properties for Gridded datasets.</td>
| identificationInfo <br>  
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<td><i></i></td>
*[[MD DataIdentification]]  
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</tr>
*[[SV ServiceIdentification]]
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<tr>
 
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<td bgcolor="CCFFFF">13</td>
| 1..*
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<td bgcolor="CCFFFF">[[MD_ReferenceSystem|mdb:referenceSystemInfo]]</td>
| bgcolor="#ffffff" | ''Choose one and repeat identificationInfo if needed.'' <br>  
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<td bgcolor="CCFFFF">0..*</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">[[MD_ReferenceSystem|mrs:MD_ReferenceSystem]]</td>
|- bgcolor="CCFFFF"
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<td>Identification of the horizontal projections, vertical datums and temporal reference systems used. Mandatory if spatialRepresentationType in dataIdentification is vector, grid, or tin.</td>
| 17
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<td><i></i></td>
| [[MD ContentInformation|contentInfo ]]  
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</tr>
| 0..*
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<tr>
| bgcolor="#ffffff" | ''Information about the feature catalogue, or descriptions of the coverage and the image data characteristics.''<br>  
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<td bgcolor="CCFFFF">14</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">[[MD_MetadataExtensionInformation|mdb:metadataExtensionInfo]]</td>
|- bgcolor="CCFFFF"
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<td bgcolor="CCFFFF">0..*</td>
| 18
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<td bgcolor="CCFFFF">[[MD_MetadataExtension|mex:MD_MetadataExtensionInformation]]</td>
| [[MD Distribution|distributionInfo]]  
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<td>Description of extended metadata fields and structure.</td>
| 0..1
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<td><i></i></td>
| bgcolor="#ffffff" | ''Information about acquiring the resource'' <br>  
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</tr>
| bgcolor="#ffffff" | <br>
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<tr>
|- bgcolor="CCFFFF"
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<td bgcolor="FFFF99">15</td>
| 19
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<td bgcolor="FFFF99">[[MD_Identification|mdb:identificationInfo]]<br/><br/></td>
| [[DQ DataQuality|dataQualityInfo]]
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<td bgcolor="FFFF99">1..*</td>
| 0..*
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<td bgcolor="FFFF99">[[MD_DataIdentification|mri:MD_DataIdentification]]<br/>&nbsp;&nbsp;&nbsp;- or-<br>[[SV_ServiceIdentification|srv:SV_ServiceIdentification]]<br/>
| bgcolor="#ffffff" | ''history and quality of the resource''
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<td>Choose one and repeat identificationInfo if needed.</td>
| bgcolor="#ffffff" | <br>
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<td><i></i></td>
|- bgcolor="CCFFFF"
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</tr>
| 20
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<tr>
| [[MD PortrayalCatalogueReference|portrayalCatalogueInfo]]  
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<td bgcolor="CCFFFF">16</td>
| 0..*  
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<td bgcolor="CCFFFF">[[MD_ContentInformation|mdb:contentInfo]]</td>
| bgcolor="#ffffff" | ''A portrayal catalogue is a collection of defined symbols used to depict humans, features on a map.''
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<td bgcolor="CCFFFF">0..*</td>
<br>  
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<td bgcolor="CCFFFF">[[MD_ContentInformation|mrc:MD_ContentInformation]]</td>
 
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<td>information about the feature catalogue, or descriptions of the coverage and the image data characteristics.</td>
| bgcolor="#ffffff" | <br>
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<td><i></i></td>
|- bgcolor="CCFFFF"
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</tr>
| 21
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<tr>
| [[MD Constraints|metadataConstraints]]  
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<td bgcolor="CCFFFF">17</td>
| 0..*
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<td bgcolor="CCFFFF">[[MD_Distribution|mdb:distributionInfo]]</td>
| bgcolor="#ffffff" | ''The limitations or constraints on the use of or access of the metadata.''<br>  
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<td bgcolor="CCFFFF">0..*</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">[[MD_Distribution|mrd:MD_Distribution]]</td>
|- bgcolor="CCFFFF"
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<td>nformation about acquiring the resource.</td>
| 22
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<td><i></i></td>
| [[MD ApplicationSchemaInformation|applicationSchemaInfo]]
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</tr>
| 0..*  
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<tr>
| bgcolor="#ffffff" | ''Information about the conceptual schema of the dataset.''<br>  
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<td bgcolor="CCFFFF">18</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">[[DQ_DataQuality|mdb:dataQualityInfo]]</td>
|- bgcolor="CCFFFF"
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<td bgcolor="CCFFFF">0..*</td>
| 23
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<td bgcolor="CCFFFF">[[DQ_DataQuality|mdq:DQ_DataQuality (ISO 19157-2)]]</td>
| [[MD MaintenanceInformation|metadataMaintenance]]  
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<td>Data quality quality reporting for the resource.</td>
| 0..1
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<td><i></i></td>
| bgcolor="#ffffff" | ''Document recent metadata record edits. When the metadata is generated automatically, use this section to document the source and transform tool in the maintenanceNote field. ''
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</tr>
| bgcolor="#ffffff" |
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<tr>
<pre>  
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<td bgcolor="CCFFFF">19</td>
metadataMaintenance: (MD_MaintenanceInformation)
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<td bgcolor="CCFFFF">[[LI_Lineage|mdb:resourceLineage]]</td>
maintenanceAndUpdateFrequency: (MD_MaintenanceFrequencyCode) annually
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<td bgcolor="CCFFFF">0..*</td>
dateOfNextUpdate: 2016-11-06
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<td bgcolor="CCFFFF">[[LI_Lineage|mrl:LI_Lineage]]</td>
maintenanceNote: This record was automatically modified on 2015-11-05
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<td>Data processing history (provenance) for the resource.</td>
to include references to NCEI where applicable.</pre>
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<td><i></i></td>
|- bgcolor="CCFFFF"
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</tr>
| 24
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<tr>
| [[MI AcquisitionInformation|acquisitionInformation]]
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<td bgcolor="CCFFFF">20</td>
| 0..*
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<td bgcolor="CCFFFF">[[MD_PortrayalCatalogue|mdb:portrayalCatalogueInfo]]</td>
| bgcolor="#ffffff" | ''Information about the platforms and instruments collecting the data.''<br>  
+
<td bgcolor="CCFFFF">0..*</td>
| bgcolor="#ffffff" | <br>
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<td bgcolor="CCFFFF">[[MD_PortrayalCatalogue|mpc:MD_PortrayalCatalogue]]</td>
|}
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<td>A portrayal catalogue is a collection of defined symbols used to depict humans, features on a map.</td>
[[Image:ISO Objects.png|thumb|center|ISO Objects.png]] [[Image:MD IdentificationInformation.png|thumb|center|MD IdentificationInformation.png]]
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<td><i></i></td>
 
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</tr>
----
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<tr>
 +
<td bgcolor="CCFFFF">21</td>
 +
<td bgcolor="CCFFFF">[[MD_Constraints|mdb:metadataConstraints]]</td>
 +
<td bgcolor="CCFFFF">0..*</td>
 +
<td bgcolor="CCFFFF">[[MD_Constraints|mco:MD_Constraints]]</td>
 +
<td>The limitations or constraints regarding the use and access of the metadata.</td>
 +
<td><i></i></td>
 +
</tr>
 +
<tr>
 +
<td bgcolor="CCFFFF">22</td>
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<td bgcolor="CCFFFF">[[MD_ApplicationSchemaInformation|mdb:applicationSchemaInfo]]</td>
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<td bgcolor="CCFFFF">0..*</td>
 +
<td bgcolor="CCFFFF">[[MD_ApplicationSchemaInformation|mas:MD_ApplicationSchemaInformation]]</td>
 +
<td> Information about the conceptual schema of the dataset.</td>
 +
<td><i></i></td>
 +
</tr>
 +
<tr>
 +
<td bgcolor="CCFFFF">23</td>
 +
<td bgcolor="CCFFFF">[[MD_MaintenanceInformation|mdb:metadataMaintenance]]</td>
 +
<td bgcolor="CCFFFF">0..1</td>
 +
<td bgcolor="CCFFFF">[[MD_MaintenanceInformation|mmi:MD_MaintenanceInformation]]</td>
 +
<td>Document recent metadata record edits. When the metadata is generated automatically, use this section to document the source and transform tool in the maintenanceNote field. </td>
 +
<td><i></i></td>
 +
</tr>
 +
<tr>
 +
<td bgcolor="CCFFFF">24</td>
 +
<td bgcolor="CCFFFF">[[MI_AcquisitionInformation|mdb:acquisitionInformation]]</td>
 +
<td bgcolor="CCFFFF">0..*</td>
 +
<td bgcolor="CCFFFF">[[MI_AcquisitionInformation|mac:MI_AcquisitionInformation]]</td>
 +
<td>Information about the platforms and instruments collecting the data.</td>
 +
<td><i></i></td>
 +
</tr>
 +
</table>
 +
</div>
 +
<br>
 
{{isoOrderingFooter}}
 
{{isoOrderingFooter}}
[[Category:19115-2]]
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[[Category:ISO Explorer]]

Latest revision as of 10:57, September 12, 2017

MD_Metadata.png

mdb:MD_Metadata

The root element of the ISO Metadata Standards contains information about the metadata and sections that contain other information.

Elements Domain Definition and Recommended Practice Examples
1 mdb:metadataIdentifier 0..1 mcc:MD_Identifier Unique identifier for this metadata record, assigned and maintained by the custodian of the metadata record.
Recommended Practice: value of identifier is usually the same as the name of the metadata file - for example C00500.xml.
There are two general approaches to ensuring uniqueness for these identifiers:
1. use a universal unique identifier (UUID), to distinguish it from other resources.
2. Include a namespace and a code guarenteed to be unique in that namespace in the identifier.
Example: gov.noaa.class:AERO100. In this case gov.noaa.class is a namespace and AERO100 is a code guaranteed to be unique in that namespace
2 mdb:defaultLocale 0..1 lan:PT_Locale Default language, country of origin and characterSet used in metadata.
defaultLocale is mandatory when more than one language is used in free text descriptions
3 mdb:parentMetadata 0..1 cit:CI_Citation Citation to a parent level metadata record
4 mdb:metadataScope 0..* mdb:MD_MetadataScope Scope of resource to which the metadata applies. Now includes an MD_ScopeCode and a name for a hierarchy level. Repeat if more than one scope is applicable to this metadata description.
5 mdb:contact 1..* cit:CI_Responsibility Individual and/or organization responsible for metadata creation and maintenance. Use roleCode="pointOfContact". Provide contact details, such address, phone and email.
6 mdb:dateInfo 1..* cit:CI_Date Date(s) associated with the metadata record. Highly recommend revisiting the metadata content annually to ensure that all the information is still relevant.
Creation date must be provided, others can also be provided
Use ISO 8601 extended format: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS.
7 mdb:metadataStandard 0..* cit:CI_Citation Citation of the metadata standard used.
8 mdb:metadataProfile 0..* cit:CI_Citation Citation of the profile(s) of the metadata standard used.
9 mdb:alternativeMetadataReference 0..* cit:CI_Citation Citation to alternative metadata for the resource.
10 mdb:otherLocale 0..* lan:PT_Locale Alternative language, country of origin and characterSet used in metadata.
11 mdb:metadataLinkage 0..* cit:CI_OnlineResource Online location information for the metadata.
12 mdb:spatialRepresentationInfo 0..* msr:MD_SpatialRepresentation Spatial representation properties for Gridded datasets.
13 mdb:referenceSystemInfo 0..* mrs:MD_ReferenceSystem Identification of the horizontal projections, vertical datums and temporal reference systems used. Mandatory if spatialRepresentationType in dataIdentification is vector, grid, or tin.
14 mdb:metadataExtensionInfo 0..* mex:MD_MetadataExtensionInformation Description of extended metadata fields and structure.
15 mdb:identificationInfo

1..* mri:MD_DataIdentification
   - or-
srv:SV_ServiceIdentification
Choose one and repeat identificationInfo if needed.
16 mdb:contentInfo 0..* mrc:MD_ContentInformation information about the feature catalogue, or descriptions of the coverage and the image data characteristics.
17 mdb:distributionInfo 0..* mrd:MD_Distribution nformation about acquiring the resource.
18 mdb:dataQualityInfo 0..* mdq:DQ_DataQuality (ISO 19157-2) Data quality quality reporting for the resource.
19 mdb:resourceLineage 0..* mrl:LI_Lineage Data processing history (provenance) for the resource.
20 mdb:portrayalCatalogueInfo 0..* mpc:MD_PortrayalCatalogue A portrayal catalogue is a collection of defined symbols used to depict humans, features on a map.
21 mdb:metadataConstraints 0..* mco:MD_Constraints The limitations or constraints regarding the use and access of the metadata.
22 mdb:applicationSchemaInfo 0..* mas:MD_ApplicationSchemaInformation Information about the conceptual schema of the dataset.
23 mdb:metadataMaintenance 0..1 mmi:MD_MaintenanceInformation Document recent metadata record edits. When the metadata is generated automatically, use this section to document the source and transform tool in the maintenanceNote field.
24 mdb:acquisitionInformation 0..* mac:MI_AcquisitionInformation Information about the platforms and instruments collecting the data.




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