Registry Working Group WP3 (Metadata Specifications)

References and Background

This page provides summaries and links to background information, reference material, and early prototypes for resource metadata.

Contents

Related Activity

An existing kind of registry: the GLU System

Anyone wanting to look into RDF can look at the RDF Primer, which is now in a new version (Working Draft 23 January 2003) -- TonyLinde - 28 Jan 2003

Another link to check out for RDF is Dave Beckett's Resource Description Framework (RDF) Resource Guide: it is huge -- TonyLinde - 28 Jan 2003

Meetings

• Tony's notes defining the work packages: TL-IVOARegistry-Day2.ppt
• Elizabeth's presentation on the prototype Astrogrid registry: IVOA_Registry.ppt
• Anita's presentation on Registry Metadata: RegistryMetadata.ppt

See also the Registry WG Session Page for the IVOA Interoperability Workshop held May 12-16, 2003 in Cambridge, England.

Early Modeling from the NVO

• Some early requirements
• Some early use cases:
  • 3 use cases from Niall Gaffney.
  • Catagorized Use Cases from Ray Plante.
  • 3 use cases from TomMcGlynn.
  • Consider the case of a resource having many collections to register: see Tom's discussion of the Vizier case
• Resource Metadata Note: Deprecated by later versions listed in RWP03Specs
  • VOResource
    • based on RSM (V0.6) document by Hanisch et al.
    • Prototype version: VOResource.xsd
    • an example instantiation: adil.xml
    • Comments and illuminating figures

Note that the above Schema is under development and changes often. More stable versions should appear under the Specifications section below.

• Space-Time Metadata
  • Arnold's Space-Time Coordinates page describes the current model and includes a link to a DTD.
  • The current version of the regions schema can be seen as a DTD.

-- RayPlante - 14 Apr 2003

Early Modeling by the AstroGrid Project:

• some baseline schemas broken down into 6 sets: Registry, Service, workspaceService, dataService, processingService, registryService, serviceLocation.
• some suggested amendments to the baseline proposal.

-- RayPlante - 30 Apr 2003

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