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Re: Choreography and the Semantic Web

From: Mark Baker <distobj@acm.org>
Date: Mon, 12 Aug 2002 11:01:34 -0400
To: Christopher B Ferris <chrisfer@us.ibm.com>
Cc: www-ws-arch@w3.org
Message-ID: <20020812110134.N16132@www.markbaker.ca>

On Mon, Aug 12, 2002 at 09:45:38AM -0400, Christopher B Ferris wrote:
> 
> Mark, 
> 
> And there is much that SOAP/WSDL do that RDF doesn't. 

Yes, but very little of it is necessary when you don't have a priori
knowledge of the type of service you're interacting with, as the Web
presumes.

SOAP/WSDL, in common use, presupposes that when the code is written,
it knows the difference between a thermometer and a television.  REST
does not.

> There is NOTHING that prevents one from using RDF in the context of Web 
> services technologies (e.g. carrying RDF graphs in the SOAP header or
> body, 
> extending WSDL with RDF, or even representing a WSDL description using 
> RDF), or not as one sees fit. 

There's nothing that *prevents* RDF from being used with SOAP/WSDL, but
as I said, the earlier form of binding with SOAP/WSDL makes RDF
unnecessary (note, this is a *bad* thing 8-).

MB
--
Mark Baker, CTO, Idokorro Mobile (formerly Planetfred)
Ottawa, Ontario, CANADA.               distobj@acm.org
http://www.markbaker.ca        http://www.idokorro.com
Received on Monday, 12 August 2002 11:01:00 GMT

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