1. State of the TCG Urbana 21/May/2012 Christophe Arviset For the TCG

2. TCG TCG Current Composition Christophe Arviset – TCG chair Page 2 State of the TCG, 21 May 2012 Technical Coordination amongst WGs/IGs Technical Coordination amongst WGs/IGs Liaison with IVOA Exec Liaison with IVOA Exec Specific role in Recommendation Process Specific role in Recommendation Process New WG/IG chairs since May New WG/IG chairs since May Upcoming changes Upcoming changes http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/IvoaTCG

3. TCG The IVOA in 2011: Technical Assessment and Roadmap for 2012 IVOA main technical achievements in 2011 IVOA main technical achievements in 2011 IVOA technical roadmap by WG / IG for 2012 IVOA technical roadmap by WG / IG for 2012 Endorsed by the Exec and released on 26/Jan/2012 Endorsed by the Exec and released on 26/Jan/2012 http://www.ivoa.net/Documents/Notes/IVOATechRoadmap2011 http://www.ivoa.net/Documents/Notes/IVOATechRoadmap2011 http://www.ivoa.net/Documents/Notes/IVOATechRoadmap2011 Christophe Arviset – TCG chair Page 3 State of the TCG, 21 May 2012

4. TCG Christophe Arviset – TCG chair Page 4 IVOA Architecture Level 0 Stable since creation State of the TCG, 21 May 2012

5. TCG Christophe Arviset – TCG chair Page 5 IVOA Architecture Level 1 Stable since creation State of the TCG, 21 May 2012

6. TCG Christophe Arviset – TCG chair Page 6 IVOA Architecture Level 3 Updated with new standards State of the TCG, 21 May 2012

7. TCG Christophe Arviset – TCG chair Page 7 Standards into REC since last Interop [DM] ObsCoreDM 1.0 [DM] ObsCoreDM 1.0 27 Oct 2011 27 Oct 2011 [DAL] SSAP and [DM] SpectrumDM 1.1 [DAL] SSAP and [DM] SpectrumDM 1.1 27 Nov 2011 27 Nov 2011 [Apps] SAMP 1.3 [Apps] SAMP 1.3 10 Apr 2012 10 Apr 2012 [Registry] StandardsRegExt 1.0 [Registry] StandardsRegExt 1.0 28 Apr 2012 28 Apr 2012 [DM] SimDM 1.0 [DM] SimDM 1.0 05 May 2012 05 May 2012 State of the TCG, 21 May 2012

8. TCG ObsCoreDM 1.0 Christophe Arviset – TCG chair Page 8 State of the TCG, 21 May 2012

9. TCG ObsCoreDM 1.0 Christophe Arviset – TCG chair Page 9 State of the TCG, 21 May 2012

10. TCG Christophe Arviset – TCG chair Page 10 Standards to become REC soon TAPRegExt 1.0, TCG review completed, update to be made and sent to Exec for recommendation TAPRegExt 1.0, TCG review completed, update to be made and sent to Exec for recommendation VOSpace 2.0, RFC started on 19/May/2012 VOSpace 2.0, RFC started on 19/May/2012 PhotDM 1.0 to start RFC process on 4/June/2012 PhotDM 1.0 to start RFC process on 4/June/2012 SimpleDALRegExt 1.0 SimpleDALRegExt 1.0 VOUnits 1.0 VOUnits 1.0 State of the TCG, 21 May 2012

11. TCG TCG Meeting on 20/May/2012 Various cross WG/IG discussions Various cross WG/IG discussions VOTable 1.3, VOUnits 1.0, Utypes 1.0 VOTable 1.3, VOUnits 1.0, Utypes 1.0 URI fragments, Registry monitoring URI fragments, Registry monitoring IVOA Publication Tools for Data Centres IVOA Publication Tools for Data Centres Potential future standards to address new science cases Potential future standards to address new science cases http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/InterOpMay2012TCG http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/InterOpMay2012TCG http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/InterOpMay2012TCG Christophe Arviset – TCG chair Page 11 State of the TCG, 21 May 2012

12. TCG VOTable 1.3 Change process to be handled by Apps WG Change process to be handled by Apps WG VOTable 1.3 changes limited to handling NULL values VOTable 1.3 changes limited to handling NULL values Then standard REC process Then standard REC process Dedicated plenary session this week Dedicated plenary session this week Monday 14:00 Monday 14:00 Christophe Arviset – TCG chair Page 12 State of the TCG, 21 May 2012

13. TCG VOUnits 1.0 Agreement that it is ready to start REC process Agreement that it is ready to start REC process Final discussion at plenary session this week Final discussion at plenary session this week Monday 14:00 Monday 14:00 REC process to start soon after interop REC process to start soon after interop Christophe Arviset – TCG chair Page 13 State of the TCG, 21 May 2012

14. TCG Utypes 1.0 Tiger team to be formed Tiger team to be formed Collect use cases Collect use cases Study current usage of Utypes Study current usage of Utypes Used in a meaningful way? Used in a meaningful way? Impact of changes on existing standards Impact of changes on existing standards Develop a standard Develop a standard Christophe Arviset – TCG chair Page 14 State of the TCG, 21 May 2012

15. TCG Note: URI fragments in IVOA specifications URI fragment usage in various IVOA standards inconsistent with the URI standard IETF RFC 3986 URI fragment usage in various IVOA standards inconsistent with the URI standard IETF RFC 3986 TCG endorses the Note: TCG endorses the Note: IVOA protocols should only use URI fragments in the following contexts IVOA protocols should only use URI fragments in the following contexts (a) the fragment is being used as a name for an object which is not expected to be retrieved, or (a) the fragment is being used as a name for an object which is not expected to be retrieved, or (b) there is an implication that the object so named will be retrieved in the way which is implied by the URI model. (b) there is an implication that the object so named will be retrieved in the way which is implied by the URI model. If a resource named by a standard-specified URI will ever be retrieved, then to avoid doubt the standard should explicitly note that the fragment processing is expected to be performed by the client. If a resource named by a standard-specified URI will ever be retrieved, then to avoid doubt the standard should explicitly note that the fragment processing is expected to be performed by the client. Christophe Arviset – TCG chair Page 15 State of the TCG, 21 May 2012

16. TCG Registry monitoring Two parallel efforts about monitoring of availability and quality of registered services Two parallel efforts about monitoring of availability and quality of registered services VAO and VO-Paris agreed to merge the results into common web pages, to be available at the registry VAO and VO-Paris agreed to merge the results into common web pages, to be available at the registry Need to determine policy how to handle non compliant or non responsive services Need to determine policy how to handle non compliant or non responsive services Actions on TCG and EXEC accordingly Actions on TCG and EXEC accordingly Christophe Arviset – TCG chair Page 16 State of the TCG, 21 May 2012

17. TCG Christophe Arviset – TCG chair Page 17 Publication tools for Data Centre IVOA Publication Tools IVOA Publication Tools http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/PublishingInTheVONew http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/PublishingInTheVONew http://www.ivoa.net/cgi-bin/twiki/bin/view/IVOA/PublishingInTheVONew Will be “reformatted” with new IVOA public web page style Will be “reformatted” with new IVOA public web page style To be released mid June 2012 To be released mid June 2012 Need to have more inputs from all interop ASAP Need to have more inputs from all interop ASAP TCG will review content every 6 months TCG will review content every 6 months State of the TCG, 21 May 2012

18. TCG New science cases and future standards Presentation from CSP – Committee on Science Priorities Presentation from CSP – Committee on Science Priorities Two new science cases are being studied Two new science cases are being studied Time Series Time Series Radio Astronomy Radio Astronomy Science cases to be endorsed by Exec Science cases to be endorsed by Exec Then TCG to look at required standards Then TCG to look at required standards Christophe Arviset – TCG chair Page 18 State of the TCG, 21 May 2012

19. TCG State of the TCG 17 October 2011 Christophe Arviset – TCG chair Page 19 Existing IVOA REC standards - 2 More details can be found on the IVOA Document pages at: http://www.ivoa.net/Documents/

20. TCG Christophe Arviset – TCG chair Page 20 Existing IVOA REC standards - 3 More details can be found on the IVOA Document pages at: http://www.ivoa.net/Documents/ State of the TCG, 21 May 2012

21. TCG Existing IVOA REC standards - 4 Christophe Arviset – TCG chair Page 21 State of the TCG, 21 May 2012 More details can be found on the IVOA Document pages at: http://www.ivoa.net/Documents/

22. TCG Christophe Arviset – TCG chair Page 22 IVOA Standards per year Planned State of the TCG, 21 May 2012