A query might come directly from a user activity (eg using a GUI to determine which 'XRay Archives' are available and their access restrictions) or from another registry (in order, perhaps, to satisfy another user activity).

-- TonyLinde - 24 Jan 2003

See also IVOARegWp04 which also contains recent activity in this area

Internal Draft Specifications

• IVOARegistryInterface-0.1.doc: Registry Interface Spec

• RegistryQuery.xsd: Query Schema

• Registry Harvesting: a proposal for a Harvesting standard based on OAI (PDF)

  This document is written as drop-in replacement of section 4 in IVOARegistryInterface-v0.1 above.

• Finally see the StandardInterface-0.1.pdf documentation from grid services which is referenced in the above documents. IvoaGridAndWebServices