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RE: I'd like to un-raise augmentedInfoset-22

From: Paul Cotton <pcotton@microsoft.com>
Date: Wed, 10 Jul 2002 19:50:00 -0400
Message-ID: <E7AC4500EAB7A442ABA7521D18814397032F99EB@tor-msg-01.northamerica.corp.microsoft.com>
To: "Tim Bray" <tbray@textuality.com>, <www-tag@w3.org>

I support this request.

/paulc
Chair, XML Query WG and TAG member

Paul Cotton, Microsoft Canada 
17 Eleanor Drive, Nepean, Ontario K2E 6A3 
Tel: (613) 225-5445 Fax: (425) 936-7329 
<mailto:pcotton@microsoft.com> 


> -----Original Message-----
> From: Tim Bray [mailto:tbray@textuality.com]
> Sent: Wednesday, July 10, 2002 5:49 PM
> To: www-tag@w3.org
> Subject: I'd like to un-raise augmentedInfoset-22
> 
> 
> On the basis of further investigation, I don't believe that there is
an
> architectural issue here.  My raising of the issue was based on an
> erroneous impression that XQuery has a normative dependency on the
PSVI,
> which is not the case.  Should a situation arise in which W3C or other
> work does develop normative dependencies on the PSVI, it may be the
case
> that we want to consider the architectural implications.  But for now,
I
> don't think it should be taking up space on our (crowded) agenda.
> 
> -Tim
> 
> PS: The relationship between XQuery and the PSVI is as follows: XQuery
> sections 1 and 2.1.2 make it clear that the information required to
> implement XQuery is that contained in the XQuery Data Model, which
could
> be constructed using the PSVI as input.  It further notes (especially
in
> 2.1.2) that a Data Model instance "might also be synthesized directly
> from a relational database, or constructed in some other way... XQuery
> is defined in terms of operations on the Data Model, but it does not
> place any constraints on how the input Data Model instance is
> constructed".
> 
> The data model does include types identified by qname, and uses
XSchema
> terminology to describe this, but as noted above, such qnames could be
> generated in a variety of ways.
> 
> The XQuery Data Model draft provides instructions for how one might
> construct the XQuery data model using the PSVI as input, which seems
> quite sensible and useful.  But the syntax and semantics of XQuery, as
> seen by implementors, have no normative dependency on the PSVI.
Received on Wednesday, 10 July 2002 19:50:35 GMT

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