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XSCH-DM-02: Further comment on the Data Model vis a vis the Infoset REC

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Thu, 04 Mar 2004 17:32:56 +0000
To: public-qt-comments@w3.org
Message-ID: <f5bhdx48qlz.fsf@erasmus.inf.ed.ac.uk>

We have observed a welcome trajectory over drafts of the Data Model to
reduce the distance between its core and the W3C Infoset
Recommendation.  We actually see no remaining impediment to completing
this and actually identifying the Data Model explicitly as an
extension of the Infoset.  This would probably need to be done on two
levels: the first, in the spirit of the PSVI, adding new properties
and possibly new information items, the second adding accessors.

Although in one way this might seem to be a purely editorial request,
or at best a rhetorical one, we actually think participating in the
use of the Infoset abstraction in this way will actually make the
Query specs stronger and simpler.

A major advantage of adopting this suggestion, connected to our
previous comment XSCH-QL-018 [1] about 'validate' expressions, is that
the need for serialization in the definition of validation goes away
-- infosets are by definition validatable as such.

Henry Thompson
By and on behalf of the W3C XML Schema WG
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
                   URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
Received on Thursday, 4 March 2004 12:33:31 UTC

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