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Re: practical problems with rdf:parseType="Collection" implementation

From: Frank Manola <fmanola@mitre.org>
Date: Thu, 14 Aug 2003 13:35:22 -0400
Message-ID: <3F3BC85A.8090605@mitre.org>
To: Bob MacGregor <macgregor@isi.edu>
CC: Steve Harris <S.W.Harris@ecs.soton.ac.uk>, www-rdf-interest@w3.org

Bob MacGregor wrote:

> There ought to be an official "memberOf" property with domain RDF:Resource
> and range RDF:List that is true for each member of a list.  Implementers of
> RDF servers might wish to implement such a property on their own, in hopes
> that the (future) RDF committee will see the light and formally bless 
> such a
> property some time in the future.

What is it you want to do again?  While there isn't a "memberOf" 
property with domain rdf:Resource [actually, rdfs:Resource] and range 
rdf:List, there *is* an official rdf:first property with domain rdf:List 
and range rdfs:Resource (and the range resource is the actual "member"). 
  Admittedly this is the other way around, but for query purposes (on 
well-formed RDF collections) it's not clear why the "change in 
direction" matters.



Frank Manola                   The MITRE Corporation
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mailto:fmanola@mitre.org       voice: 781-271-8147   FAX: 781-271-875
Received on Thursday, 14 August 2003 13:10:49 UTC

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