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InterOpMay2004 Registry

Preliminary Reading

Papers or wiki pages that people ought to read before the sessions above:

  • IVOA Identifiers V1.1
    • See Appendix B for a summary of minor changes over v1.0.
    • RayPlante will request that v1.1 be elevated to a PR during the Wed. morning session

  • Registry Harvesting
    • an alternative section 4 for the RI Specification above
    • this document is a proposal for an OAI-based standard for Harvesting
    • RayPlante will present this proposal during the Wed. morning session


Wednesday May 26, 2004: Morning session
RM & Schema updates

Presenter Topic Slides
Bob Hanisch RM update RMUpdate2004.ppt
Ray Plante Resource Schema update (incl subs.grp/type) IVOARegSchemaRev.ppt
Paul Harrison Questions on Schema structure RegistryTypes.ppt

Thursday May 27, 2004: Morning session
Registry Interface

Presenter Topic Slides
Ray Plante OAI-based harvesting OAIBasedHarvesting.ppt
Kevin Benson Registry Interface spec Registry Interface.ppt
Gretchen Green Searchable Registry in NVO STRegIVOAInterop.ppt
Kevin Benson XQuery-based searching in AstroGrid Registry History.ppt Registry Schema Use.ppt
Matthew Graham The Caltech NVO Registry carnivore.ppt
Martin Hill Resource Names vs Locators - Brokering Service Connections Ivorns_IVOA.ppt

Thursday May 27, 2004: Afternoon session
Identifiers, Curation & Signoffs

Presenter Topic Slides
Paul Harrison Application resource schema in AstroGrid CEARegistry.ppt
Ray Plante IVOA Identifiers update IVOARegIDsRef.ppt
Bob Hanisch Registry Data Curation RegistryCuration2004.ppt

Meeting outcomes


(I would ask people who actually understand what was decided in the meeting to flesh out the following: TonyLinde )

Session 1

  1. Types are defined in RM
    Documents are defined in RI
  2. Logical-id will be defined via a second relationship (rather than via direct attribute)
  3. Level of hierarchy will be as in RM v1.01 (except as resolved otherwise here)
  4. Service types as a sub-class of Resource (rather than extending Capability)
  5. Organisation type will be defined in the base VOResource definitions
  6. Referred resources will be via xsi:type of RegisteredResourceType and UnregisteredResourceType
  7. The element name for a referred resource identifier will be ResourceRef (instead of Identifier which was confusing)

Note: Decisions on referred resources were reversed in Session 3

Session 2

  1. An IVOA Registry must support OAI-PMH protocol for harvesting via HTTP GET, returning at least oai_dc and ivo_vor metadata formats using standard data criteria
  2. The metadata describing a registry will include a flag indicating whether it is a full or publising registry.
  3. The standard IVOA Registry Harvesting specification will be web service-based and will conform to the full OAI-PMH specification: details will be worked out on the mailing list
  4. An IVOA Registry must support the Keyword Search as specified in the RI document
  5. An IVOA Registry must support a Full Query (interface tbd) using the WHERE clause of the ADQL schema with fields specified using non-namespaced XPath directives (simple, ie no [...] options), and returning full resource entries

Session 3

  1. Reversed Session 1 decisions re Referred resources
    • Referral will be via ivo-id attribute
  2. Will promote v1.1 of Identifier spec to PR status thence to REC
  3. Implement owned/managed authorityID to cater for Publishing/Full registries

Actions / Timetable

Action Who When
Revise schema definition v0.10 Ray done
Revise RI specification Kevin 15-June
Run inter-project harvesting trials NVO (Ray), AstroGrid (Kevin) from 01-Aug
Implement Keyword query interface NVO, AstroGrid from 01-Aug
Implement Full query interface NVO, AstroGrid from 01-Aug
IVOA Interoperability Demo all projects Jan 2005

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Topic revision: r30 - 2004-05-28 - TonyLinde
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