Telecon (2019-02-06)

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Contents

Attendees

  • Kristin Vanderbilt
  • Colin Smith
  • John Porter
  • Stevan Earl

Agenda

  • Identify potential topics for a spring hackathon

Discussion

What would be a good theme for the next hackathon:

  • Build on EML AssemblyLine to make EML generation easier. Integrate with Metabase project – using a common set of database view as basis for generating EML. Kristin would like a spreadsheet form of the attributes component of the EML AssemblyLine.
  • Visualizations: feed EML to document to service and get visualization output. Hard part is to determine x and y dimensions. Use this software not for analysis, but for determining data fitness for use. R DataMaid might produce the kinds of graphs we need. Emery has a system that already does visualizations like this – check with him on how he implemented it. Visualization software would be implemented using a web service so it can be called from anywhere. Interactive graphs are a desirable feature. Mark Servilla recently excited by opportunity to use Google Earth Engine for spatial viz.
  • EML 2.2 and Annotations. LTER used to have a tool that you could put text in to and it would provide a list of keywords from the LTER Controlled Vocabulary. John used this to return a snippet of EML to go into VCR EML. But some people want just a comm-separated list of terms, others want the snippet. Need a web editor for EML to directly import the output of this service. New Morpho may have capacity for annotation; need to associate terms provided by the metadata creator with the PURL. Mark Servilla has talked about making value-added metadata based on machine-learning. Annotation challenge: How does one identify the appropriate concept with which to annotate. E.g., if one has a variable generated by using a particular method, how to you locate the concept for that method?
  • Metadata exporter tool – to produce NetCDF, for instance. Could have capacity to subset. Would this need to be implemented by EDI portal? Not necessarily. Could be a web service. Amazon Web Services are dandy but cost money.

Action items

  • Decide on a hackathon topic
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