Archive of work done within the Semantics WG

For current activities, see IvoaSemantics.

Towards Vocabularies 2

In preparation to the effort of modernising the Vocabularies in the VO specification, a page was set up to try a comment process for updating the datalink vocabulary, UpdateDatalinkTerms. While this should no longer be used for discussion, the proposals and comments are for now kept for when they will enter a new-style process.

Also, VocabularyTestPage was a now deprecated effort to provide the vocabulary index now on http://www.ivoa.net/rdf.

New UCD List v 1.3

Elaboration of new UCD keywords for planetary metadata and radio data. This effort is described on the discussion page PlanetaryUCD .

This has generated a loop for revision for the UCD list of terms , now in the final step of Recommendation.

See http://wiki.ivoa.net/twiki/bin/view/IVOA/UCDList2017RFC for the request for comments for http://www.ivoa.net/documents/UCD1+/20170831/index.html.

Units specification in the IVOA

VOUnits: This specifies how to express unit strings in VO documents, APis, protocols and interfaces.

  • The VOUnits document is now an IVOA REC. The VOUnitsRFC and DiscussionOnVOUnits pages still exist, but should not now be added to.
  • There are no immediate plans for further work on the standard, however there is a small collection of issues and suggestions at VOUnits-1_0-Next

Ontologies

Ontology of Astronomical Object Types
text: WD_2007-02-19.pdf
OWL file (2008MAY16): ObjectTypes_0.99r.owl

SKOS to OWL script. Basic, but functioning
skosToOwl.xsl

'New Technologies' sessions

These aren't formally 'semantics' sessions, but they've been organised by the Semantics WG

Where & When WG Session Plenary & More
Madrid – Spain, May 2014 programme
Heidelberg – Germany, May 2013 programme PDF

Old documents

  • Version 1.2 of the The UCD1+ controlled vocabulary : PR in the RFC period (till Nov 3 2006).<br />The RFC period is now closed. Comments (2) and answers can be found at the RFC page at UCDListRFC. Comments were accepted and the proposed slight changes were included in version 1.21 of the document : PR-version1.21. Slight changes following comments by WG/IG chairs were included in version 1.22 of the document: PR-version1.22
  • IVOA Vocabularies:, WD v0.11 pdf , html

  • VO-standard-vocabulary Vers. 0.5 of 20051220 (.pdf)

    • Electromagnetic spectrum division v0.3: .html, .pdf * Proposed revision (2003): UCD-1.9.9 (.pdf, .doc) and UCD-1.9.9b (.pdf, .doc)

Links

* UCDs

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