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   Re: XSD: Proposed Goals, Rev. 3

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  • From: Paul Prescod <papresco@technologist.com>
  • To: Peter Murray-Rust <peter@ursus.demon.co.uk>
  • Date: Thu, 28 May 1998 21:14:41 -0400 (EDT)

On Thu, 28 May 1998, Peter Murray-Rust wrote:

> At 11:33 28/05/98 -0700, Tim Bray wrote:
> >At 03:56 PM 5/28/98 UT, Simon St.Laurent wrote:
> >>A revised set of goals for XSD follows, based on public and private
> comments.  
> >
> >One piece of input; I note a resounding silence on the subject of RDF.
> I thought it had been mentioned - and positively - but maybe private mail.
> My take is:
> We do not intend to overlap with RDF if we can avoid it - we want the
> systems to be complementary.  Since I imagine that RDF metadata will be
> ubiquitous (i.e. every responsible XML document author will include
> RDF-based metadata) I assume that XSchemas will include RDF-based metadata.
> There seem to be two ways this might occur:
> 	- metadata "at the head of the XShema" - what is this XSchema about - who
> owns it - how can it be used - who has validated it, etc
> 	- metadata that the XSchema might provide for documents or their authors -
> help, links, etc.

Tim's point is that a schema *is* metadata. If we accept that, and we 
consider RDF to be a complete and sufficent metadata framework, then we 
should implement XSchema as an RDF application. I'll have to think about 
this more.

Are stylesheets also metadata? If so, why don't you go pick on the XSL 
people, Tim? :) :)

 Paul Prescod

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