Difference between revisions of "Known Issues With LinkedEarth Representation of the PAGES2k Dataset"

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==Earliest Sample Date/Latest Sample Date ==
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The period covered by the record should be provided at the [[:Category:Variable (L) | variable]] level through the [[:Property:HasMinValue (L) | HasMinValue]] and [[:Property:HasMaxValue (L) | HasMaxValue]] properties.
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Pages showing EarliestSampleDate can be found [[:Property:EarliestSampleDate | here]] while pages showing LatestSampleDate can be found [[:Property:LatestSampleDate | here]].

Revision as of 18:32, 26 July 2017

This page lists the issue identified with the representation of the PAGES2k dataset in LinkedEarth.

Ghost measured variables

Because the LinkedEarth Ontology requires the representation of the archive type to be made on a measured variable, it was decided to create "ghost" measured variable if only the inferred variables were archived. The following datastes have improperly set the inferred variable to a measured variable with a Property:ProxyObservationType (L) set to "Ghostmeasured".

Instead, these datasets should have an additional entry in the JSON-LD file with the proper Property:ProxyObservationType (L).

The query result could not be obtained from the SPARQL database. This error might be temporary or indicate a bug in the database software.

Earliest Sample Date/Latest Sample Date

The period covered by the record should be provided at the variable level through the HasMinValue and HasMaxValue properties.

Pages showing EarliestSampleDate can be found here while pages showing LatestSampleDate can be found here.