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[Bug 5377] Requirement for metadata querying

From: <bugzilla@wiggum.w3.org>
Date: Tue, 15 Jan 2008 22:30:03 +0000
To: www-xml-schema-comments@w3.org
Message-Id: <E1JEuIF-0003R7-2D@wiggum.w3.org>


           Summary: Requirement for metadata querying
           Product: XML Schema
           Version: unspecified
          Platform: PC
               URL: http://www.w3.org/XML/Group/2007/09/scds
        OS/Version: Windows NT
            Status: NEW
          Severity: normal
          Priority: P2
         Component: SCDS: XML Schema Component Designators
        AssignedTo: holstege@mathling.com
        ReportedBy: holstege@mathling.com
         QAContact: www-xml-schema-comments@w3.org

See: http://www.w3.org/XML/Group/2007/09/scds

We believe that the requirements for SCDs should include a requirement to
support metadata querying in an XQuery or XSLT environment. This entails two

First, it is a requirement that SCDs be able to denote arbitrary schema types
or element declarations. (We believe the current draft supports this
requirement adequately.)

Second, in the long run a full-scale search facility on schema components will
be needed, to enable finding things like "the set of types derived from type T"
or "the set of elements substitutable for element E". Some members of the QT
Working Groups expressed reservations on this topic, and whether search
facilities should be embedded in SCDs or supplied by an environment like
Received on Tuesday, 15 January 2008 22:30:06 UTC

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