IVOA Executive Committee Meeting (TM24)

Telecon: 12 July 2007 @ 15.00 GMT

Logistics

Telecon:

Agenda (DRAFT)

1. Roll Call and Agenda
2. Review of Minutes: Minutes of FM23 & Minutes of FM23Supp
3. Review of Actions
4. Approval of new IVOA Recommendation(s) [Standing Item]
   • STC RFC page
   • Spectrum Data Model RFC Page
   • Cone Search V1.0 RFC page
5. Status of the IVOA assessment (FG/DDY)
6. WG/IG
   • Charter of the Data Curation and Preservation IG (BH) - Proposed charter - Previous charter
   • Nomination for Astro-RG IG chair
   • Discussion about vice-chairs
7. Standardisation process: RW to report on
   • Recommendation process
   • Status report on the standards roadmap
8. Status of the Assessment of Implementation of IVOA standards in Data Centres (DS/CA)
9. Status of the preparation of the Cambridge Autumn 2007 Interop meeting (NW)
10. Future Interop meetings
11. IVOA presence at the next IAU General Assembly
12. Schedule of other IVOA-related events (all)
13. New Deputy Chair
14. Date and Venue of the next Exec meeting
15. AOB
16. Summary of Actions

Reports from the Projects

ArVO

AstroGrid

Australia-VO

China-VO

CVO

VObs.it (aka DRACO) Italy

Euro-VO

France VO

No report was posted on the FM23 web page. This report summarizes France-VO activities since TM22 (8 March 2007).

(1) France-VO supported French participants to the several international meetings, from its own funds, in complement to funding by the laboratories, or by evaluating funding requests made in the frame of the French participation to the Euro-VO Data Centre Alliance project.

French teams very actively participated in the Beijing Interoperability meeting (18 French participants), with talks presented in particular in the Applications, Data Access Layer, Data Modeling, Semantics and VO Query Language WG sessions, and at the Theory IG meeting.

There was also an active French participation to the two Workshops organised by the Euro-VO Data Centre Alliance and Facility Centre. The 'Astronomical spectroscopy and the Virtual Observatory' Workshop (ESAC, 21-23 March 2007) was well attended by scientists interested in spectroscopy and French VO teams (22 participants from French laboratories), thanks in particular to the triggering activity of the France-VO Spectroscopy Working Group at the national level. In addition, several laboratories developing or willing to develop VO services were represented at the 'Euro-VO Workshop on how to publish data in the VO', and three sessions were organised by CDS staff.

(2) Meetings organised by the France-VO (AS OV) Working Groups since February 2007:

• Geodetics and Fundamental Astronomy Working Group: meeting on UCDs and STC, Paris Observatory, 19 February 2006 (meeting minutes, in French). Also note the poster presented at the IUGG 2007 conference in Perugia: 'GGOS and Virtual Observatory' (Berio, Coulot, Deleflie & Exertier).

• The Workflow Working Group held its 4th meeting on 26 April 2007 at the IAP in Paris (meeting Web page and meeting summary , in English).

• Theory Working Group: a Workshop was organised in Lyon on June 18-19, with participation from several teams preparing theory services to be published in the VO, and from Gerard Lemson, Chair of the IVOA Theory Working Group and of the Theory Expert Group of the EuroVO-DCA project. The meeting Web page (in English) can be found at http://www.france-vo.org/twiki/bin/view/GROUPEStravail/ObsVTheorie07jun18.

(3) Presentation to the general astronomy community

• Presentation of the VO project status and of services made available by the French VO teams at the annual meeting of the French astronomical society (pdf version, mostly in French).
• Staff from France-VO plan to participate in the JENAM 2007 meeting (Yerevan, August 2007) and in a Workshop organized by the Indian VO in October 2007.

GAVO

HVO

Japan-VO

Korean VO

NVO

Please see our previous report at http://ivoa.net/twiki/bin/view/IVOA/IvoaExecMeetingFM23#NVO. The only addition at this point is that we are working with NSF and NASA to secure funding for FY08, and things look promising at the moment.

RVO

SVO

VO-India

Reports from WGs & IGs (follows order as at http://www.ivoa.net/forum/)

Applications IG

Data Access Layer WG

SSA was updated following the discussions in Beijing, and went to PR on June 4. The RFC period is concluding now. The Simple Cone Search RFC has concluded, and the document has been forwarded to the TCG for comment.

Work is going forward in parallel on SSA V1.1, which will add the getCapabilities and getAvailability operations. Specification of the capability metadata and accompanying XML schema is underway.

Work on the next phase of SIA V2 will focus on the basic form of the interface, and prototyping (with GWS) the stageData/UWS operation for asynchronous data staging and delivery. The goal is to have this working in time to discuss in Cambridge this fall (the full SIA V2 interface is not expected to be completed yet at that point however).

TAP is on hold at the moment, pending generation of a revised plan forward in collaboration with the VOQL WG (see below).

Discussions have begun on how to handle time series data. This is being driven currently by a VOEvent use-case, but a general time series data access interface is required as well. The current plan (as has long been the case) is to use the SSA interface and data model for time series data, with minor modifications to improve the support for time series, e.g., provision for multiple flux measurements per time point.

Data Models WG

Grid and Web Services Working Group

Registry WG

Semantics/UCD WG

UCDs: collection of (minor) changes/improvements to the present std list v1.23 is going on. A WD v1.24 will be probably issued within the end of 2007.
Ontology: work in progress, on the ontology and on use cases.
Standard Vocabulary: work in progress, a WD v1.0 will be issued before the September 2007 meeting.

VOEvent

VOQL WG

Due to strong work constraints, the VOQL-TEG has not met since the last IVOA interoperability meeting. It will probably meet the first week of September.

TAP work

The prospect is that the first TAP draft will be available for presentation at the September meeting as per announced Roadmap in Beijing, shoul all eventual TAP-involved parties agree.

VOTable WG

Astro-RG IG

Data Curation and Preservation IG

DCP IG Chair Hanisch polled the interop e-mail list on 27 June to see how many people were interested in this IG. 18 responses were received, which is a sufficiently high level to warrant planning for an IG session at the September Interop meeting in Cambridge. Data preservation is also a key topic for the ADASS conference that immediately precedes the Interop.

Theory IG

-- NicholasWalton - 29 Jun 2007

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