IVOA Semantics Working Group
The Semantics Working Group
Charter for the Semantics WG, approved by EXEC on 17 May 2006:
Charter-Semantics.pdf
The Semantics Working Group superseded the
UCD Working Group, effective from June 20th, 2006.
Group lead and advising comitee
Documents
UCD list update
Planetary and Solar science has provided various inputs and requests for new UCD terms.
In parallell some physical and statistical quantities have also been requested for addition into the UCD list.
The current update for the UCD list is ready for review in the Semantics working group and all interested people. Please check :
The UCD1+ controlled vocabulary, Update for Planetary and Solar data, Version 1.3: IVOA Working Draft 2017 May 02
and add your comments on the Discussion page :
ReviewUCDlist2017May
IVOA Recommendations
Current work
Elaboration of new UCD keywords for planetary metadata.
This new effort is described on the
PlanetaryUCD page .
Update of the UCD Maintenance Standard
Latest documents
2017 Update of the UCD Maintenance Standard (initiated at the Shanghai Interop, May 2017)
Version 1.20
Note Version 2.0, 6 June 2017
Note Version 2.0, 6 June 2017 in track change mode from V1.20
This Note is turned to a Working draft proposing the Maintenance Process as an IVOA standard , in coordination with Standards & Process WG.
[[http://wiki.ivoa.net/internal/IVOA/IvoaSemantics/WD-UCDlistMaintenance-2.0-20171018-Trackmode.pdf][WorkingDraft 2.0, 19 October 2017 in track change mode from V1.20]]
Unique identifiers and description for facilities and instruments in astronomy and planetary science (started 2014)
Unified names and identifiers for VO Facilities :Unified Facilities Description
UniFacil (on going)
Units specification in the IVOA
VOUnits:
- 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 VOUnitsNext
Vocabularies in the IVOA
Documents, releases and drafts are in the
VocabulariesWorkingArea
Keywords
Astronomical Keywords in the era of the Virtual Observatory, IVOA Note
AstroKeysTN-20070425.pdf
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:
Semantics/UCD Sessions at Interop Meetings
Where & When |
WG Session |
Plenary & More |
São Paulo – Brazil, Oct 2012 |
- |
- |
Cambridge – UK, May 2003 |
InterOpMay2003UCD |
.ppt, .pdf |
Madrid – Spain, May 2014 |
programme |
– |
Waikoloa – Hawai`i, USA, Sep 2013 |
Semantics & Education |
– |
Heidelberg – Germany, May 2013 |
Semantics & DCP |
– |
Urbana – USA, May 2012 |
programme |
plenary |
Pune – India, Oct 2011 |
programme |
plenary |
Naples – Italy, May 2011 |
programme |
plenary |
Nara – Japan, Dec 2010 |
programme |
plenary |
Victoria – Canada, May 2010 |
programme |
plenary |
Garching – Germany, Nov 2009 |
InterOpNov2009Sem |
plenary |
Strasbourg – France, May 2009 |
InterOpMay2009Semantics |
plenary |
Baltimore – USA, Oct 2008 |
InterOpOct2008Semantics |
plenary |
Trieste – Italy, May 2008 |
InterOpMay2008Semantics |
plenary |
Beijing – China, May 2007 |
InterOpMay2007Semantics |
plenary |
Victoria – Canada, May 2006 |
InterOpMay2006UCD |
plenary |
Madrid – Spain, Oct 2005 |
InterOpOct2005UCD |
plenary |
Kyoto – Japan, May 2005 |
InterOpMay2005UCD |
plenary |
Pune – India, September 2004 |
no formal UCD session |
plenary |
Cambridge, Mass. – USA, May 2004 |
InterOpMay2004UCD |
plenary |
Strasbourg, October 2003 |
InterOpOct2003UCD |
ppt |
'New Technologies' sessions
These aren't formally 'semantics' sessions, but they've been organised by the Semantics WG
Old documents
- Version 1.2 of the The UCD1+ controlled vocabulary : PR in the RFC period (till Nov 3 2006).
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
- The IVOA Standard Vocabulary (Processes, Object types, Instrumentation,..) Version 0.8 (20060505) : VO-standard-vocabulary_8.pdf
- TN: Ontology of Astronomical Object Types, text: ObjectTypes.pdf, Javadoc files: OWLDOC-ObjectTypes.zip or OWLDOC-ObjectTypes_tar.gz
- VO-standard-vocabulary Vers. 0.5 of 20051220 (.pdf)
- UCDmaintenanceRFC
- UCDListRFC
- Electromagnetic spectrum division v0.3: .html, .pdf
- Proposed revision (2003): UCD-1.9.9 (.pdf, .doc) and UCD-1.9.9b (.pdf, .doc)
Links
WG Roadmap
Date |
Event |
status |
Oct-2004 |
UCD1+ to PR (RFC) |
done |
May-2005 |
UCD-Tools |
done |
Jun-2005 |
Create Sci- and Tech-Boards |
done |
Jul-2005 |
UCD1+ word-list to PR(RFC) |
done (RFC after holidays) |
Jul-2005 |
UCD1+: PR to Recomm |
done (in Aug, minor editing needed) |
Oct-2005 |
UCD1+ word-list: PR to Recomm |
in progress |
Oct-2005 |
From UCDs to Semantics |
proposed in Kyoto |
Nov-2005 |
UCD1+ Words Maintenance |
Working Draft |
Dec-2005 |
UCD1+ word-list: Recomm |
done (31Dec2005) |
May-2006 |
UCD1+ Maintenance: Recomm |
done (28May2006) |
End-2006 |
Ontologies-TN |
done (31Oct2006) |
End-2006 |
Standard Vocabulary-TN |
draft |
Feb-2007 |
Ontology-WD? |
|
Apr-2007 |
UCD1+ word-list: Recomm |
(2Apr2007) |
Oct-2007 |
Ontology-UseCase TN |
|
Mailing-lists
- General working-group discussion archive. See the UCD archive for discussion prior to June 20th, 2006.
- UCD Scientific Board archive
- UCD Technical Board archive.