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Conclusions from theory IG sessions, Beijing 2007 May 18, 2007 TIG, closing plenary 3 sessions • SNAP data model – overview – validation (Patrizia Manzato) • SNAP protocol (for Claudio Gheller) – – – – discovery query registration services • Presentations – – – – – Nicolas Moreau: Dalia, interface for simulation codes Vincenzo Costa: theory metadata database as SNAP prototype Franck Le Petit: theory services in AstroGrid GL: theory database no other business May 18, 2007 TIG, closing plenary To do: SNAP DM • Completion model. Issues: – characterisation, – semantic vocabularies – units • Usage – serialisation to XML schema (for validation, registration, XQuery based discovery) – relational mapping (for ADQL based discovery) – serialisation to UTYPE list (for representation in VOTable, possible “simple” discovery) • Validation – produce XML docs describing variety of simulations • Patrizia Manzato, Jean-Paul Lefèvre, Tom Theuns/Joop Schaye, Peter Teuben, Rick Wagner, Klaus Dolag, GL, more? • Propose to IVOA DM WG • prototype/proof-of-concept(/Reference?) implementations May 18, 2007 TIG, closing plenary To do: SNAP protocol • Discovery+query – investigate simple (HTTP GET) approach further – investigate (i.e. prototype) SNAP portal/archive approach (Italy, France?, US?, VOExplorere-like) – work with registry group on architecture (Ray Plante) • SNAP services – Define some standard services+interface • • • • download cutout visualise ... – Allow and promote (registered) custom services – Follow DAL/GWS on capabilities, staging, delivery etc • Propose to DAL as Note following standard doc format, but with place holders. May 18, 2007 TIG, closing plenary To do: contact the community • Validate approach to theory data centers – contact theory representatives to do so locally • Validate approach towards potential users, both theorists and observers – contact theory representatives to do so locally May 18, 2007 TIG, closing plenary Requests to WGs • DM: We need input on treatment of units and want to further discuss characterisation • Semantics: We need input (or feedback) on standard vocabularies for – – – – physical processes astronomical objects observables (UCDs) numerical artefacts • DAL/GWS: We need to hear how to deal with SNAP services in a standard manner. • Registry: We need to further develop the way SNAP archive/portal will interact with registry. • Applications?: We’d like a browser for real data models, ala VOExplorer. • Action on theory group: use mailing lists May 18, 2007 TIG, closing plenary Dates, roadmap • SNAP DM Note to DM WG – September 2007 (month before interop) • SNAP protocol Note to DAL WG – Needs discussion with Claudio Gheller (who leads this effort) et al, in June. – Target September 2007 (month before interop) • Proof of concept implementations: registration+discovery of simulations – Promised by Italy, France. Maybe also US, UK/Germany? – Will ask them “when” in June 2007 • Outreach, gathering feedback – Mail to TIG reps, June 2007 – Results unpredictable, report by Cambridge interop May 18, 2007 TIG, closing plenary AOB • Do we need a different name for SNAP? – not all numerical products covered – not simple – not Supernova/Acceleration Probe http://snap.lbl.gov/ – Please send proposals to theory mailing list. • Q: Any other standardisation efforts desired, e.g. theory spectra? No. May 18, 2007 TIG, closing plenary