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IVOA - GGF Astro-RG Work Shop

Workshop Title

Building a Global Virtual Observatory for Astronomy - Grid Standards and their Relevance in Use

@ GGF17 10 May 2006, Tokyo, Japan

Agenda and Talks

Date/Time What Who Talk
Session 1
Requirements for a Virtual Observatory: the Domain Perspective
11.00 Welcome and Workshop Goals Masatoshi Ohishi  
11.10 Science drivers for a Virtual Observatory Nic Walton  
11.30 Capturing user needs - a middleware perspective Steve Newhouse  
Virtual Observatory Case Studies
11.50 Building IVOA Services: A requirements analysis Reagan Moore  
12.10 The Japanese Virtual Observatory (JVO) Yuji Shirasaki  
12.25 Discussion    
12.30-13.45 LUNCH
Session 2
13.45 Lessons from Enterprise Grids Craig Lee  
Security, authorisation and authentication (I)
14.00 IVOA/ AstroGrid Single Sign-on Keith Noddle  
Data Management
14.15 DAIS-WG Norman Paton  
14.30 Preservation from the GGF-PE-RG Reagan Moore  
14.50 Integrating data mining and data access in China-VO Chao Liu  
15.05 Discussion    
15.15-15.45 COFFEE
Session 3
Security, authorisation and authentication (II)
15.45 IVOA - Grid Connection via std IAA systems Bill Baker  
16.00 OGSA security David Chadwick  
16.15 Interoperability between Grids and the VO Guiiano Taffoni  
Astronomical Workflows
16.25 Workflows in the VO Phil Nicholson  
16.40 Astronomical workflows in Grid environments Valeria Manna  
16.55 GGF Job Description Steve McGough  
17.10 Discussion    
17.15-17.45 COFFEE
Session 4
Application Environments
17.45 Astro Client Runtime as an Application interface Noel Winstanley  
18.05 The Simple API for Grid Applications (SAGA) Thilo Kielman  
Production Systems
18.20 Grid Infrastructure - NGS Neil Geddes  
18.40 INAF experience with EGEE Claudio Vuerli  
18.50 Measuring Performance David Wallom  
19.05 Workshop Summary Nic Walton  

Workshop organizer names and affiliations

  • Nicholas A Walton, IoA, Univ of Cambridge, UK (Co-Chair Astro-RG)
  • Chenzhou Cui, National Astronomical Observatory, China
  • Neil Geddes, NGS, RAL, UK
  • Thilo Kielmann, Vrije Universiteit, Amsterdam, NL (Co-Chair APPS-RG)
  • Reagan Moore, SDSC, San Diego, USA (Co-Chair PE-RG)
  • Steven Newhouse, OMII, Southampton, UK (Co-Chair GESA-WG)
  • Mastoshi Ohishi, NAOJ, Tokyo, Japan (Chair IVOA)
  • Fabio Pasian, INAF-SI, Trieste, Italy (EGEE/NA4)
  • Guy Rixon, IoA, Univ of Cambridge, UK (Chair IVOA Grid-Web Services WG)
  • David Wallom, Center for E-Research Bristol, UK (Co-Chair PGS-RG)
  • Roy Williams, CACR, Caltech, USA (Chair IVOA Techinical Coordination Group)

Sponsoring Groups:

  • Astronomy Applications Astro-RG conf
  • Database Access and Integration Services WG DAIS-WG pend
  • Simple API for Grid Applications SAGA-RG pend
  • Preservation Environments PE-RG conf
  • Workflow Management Research Group WFM-RG pend
  • Production Grid Services Research Group PGS-RG pend

Scope and Content

This workshop, jointly sponsored by the GGF and the International Virtual Observatory Alliance (IVOA - see The meeting is timely in that the global Virtual Observatory (VO) projects are now deploying systems worldwide for operational and scientific use, where use of emerging GGF standards in or instance data management and security may have a vital role to play. Interoperability with existing grid infrastructures (e.g. TeraGrid, EGEE) is also a key topic, since VO centers or users must be allowed to take advantage of the power offered by computational grids. This meeting preceeds the next major IVOA interoperability workshop to be held in Victoria, Canada (15-19 May 2006).

The programme would address issues of common interest to the GGF and the IVOA focusing on how a Global Virtual Observatory is being constructed using domain developed high level interoperability standards, but utilising lower level grid and grid service standards and concepts where relevant.

The workshop will provide an opportunity for those involved in creating the interoperabilty standards required by the global Vrtual Observatory community to interact with those creating generic grid standards. The feedback from the exemplar science domain will highlight the opportunities and difficulties presented by take up of GGF standard compliant implementations.

Programme Coverage

The programme will address in 8 sessions, the following areas:

  • 1) Requirements for a Virtual Observatory: the Domain Perspective
    • Science drivers for a Virtual Observatory (Walton)
    • Capturing user needs from a middleware perspective (Newhouse)
  • 2) VO Case Studies
    • Example VO implementations, UK, USA, Japan, etc
    • Experience with existing grid infrastructures
  • 3) Registries and Resource Discovery
  • 4) Data Management
    • including preservation of data and knowledge
  • 5) Application Environments
  • 6) Astronomical Workflows
  • 7) Security
    • authroisation and authentication
  • 8) The Production Virtual Observatory
    • logging and debugging
    • training and support
    • account management
    • software licensing

Each session includes a period for open discussion

Duration of workshop

One full day - to be held in Tokyo at GGF17 (May 2006). The venue will at the GGF meeting location - see

Publication Plans

The meeting would be published as a GGF informational document.

-- NicholasWalton - 23 Apr 2006

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Topic revision: r11 - 2006-05-10 - NicholasWalton
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