W3C home > Mailing lists > Public > www-rdf-comments@w3.org > January to March 2003

Re: [closed] hendler-01 literals in parsetype collection

From: Brian McBride <bwm@hplb.hpl.hp.com>
Date: Thu, 27 Mar 2003 10:05:58 +0000
Message-Id: <>
To: Jim Hendler <hendler@cs.umd.edu>, Dave Beckett <dave.beckett@bristol.ac.uk>
Cc: www-rdf-comments@w3.org


As it doesn't say so, I presume that you were not speaking with your webont 
hat on here, and that we are awaiting a webont response also.


At 21:31 26/03/2003 -0500, Jim Hendler wrote:

>  I am willing to accept this decision contingent on one thing - I want 
> the issue being postponed to point to this message as well as (or instead 
> of) the original message.  The reason is that, as you will see in a 
> minute, I realize that the issue I raised goes beyond the OWL dependency 
> which I originally discussed.
>The actual issue: RDF/XML does NOT provide a reasonable syntax for 
>expressing a closed list of values of literals or other datatypes.
>That is, supposing I wish to represent that "my scraper found only the 
>following set of names on URI1"  I wish to say something like:
><:NameList rdf:parsetype="collection">
>   <rdf:closedListItem>fred </rdf:closedListItem>
>   <rdf:closedListItem> joe </rdf:closedListItem>
>   <rdf:closedListItem> bill </rdf:closedListItem>
>(note: I have made up the above, it is not intended to be currently 
>correct nor to imply this is the right syntax to use)
>If I use current RDF constructs I have no way to produce this as a closed 
>In short, parsetype=collection is not only useful for the OWL oneOf 
>construct, but for any other time when a closed list must be used.
>I believe that it would be very useful for RDF/XML to have a means by 
>which such closed lists of datatype elements could be used.
>  -Jim Hendler
>  AC, Mind Laboratory, University of Maryland
>At 22:46 +0000 3/20/03, Dave Beckett wrote:
>>You as AC Member, MIND Laboratory made a last call comment "Comment
>>on rdf:parseType="Collection"" captured in
>>   http://www.w3.org/2001/sw/RDFCore/20030123-issues/#hendler-01
>>Your email raising the issue:
>>   http://lists.w3.org/Archives/Public/www-rdf-comments/2003JanMar/0322.html
>>The RDF Core WG has resolved
>>   http://lists.w3.org/Archives/Public/w3c-rdfcore-wg/2003Mar/0068.html
>>to postpone this issue on the grounds that:
>>   * It would require extensive changes to the current syntax specification.
>>   * It is not a critical requirement for the WebOnt WG.
>>   * It would involve considering several different approaches, taking
>>     time and consequent changes to the RDF/XML Syntax, Test Cases,
>>     Primer working drafts and implementations.
>>Please reply to this email, copying www-rdf-comments@w3.org indicating
>>whether this decision is acceptable.
>Professor James Hendler                           hendler@cs.umd.edu
>Director, Semantic Web and Agent Technologies     301-405-2696
>Maryland Information and Network Dynamics Lab.    301-405-6707 (Fax)
>Univ of Maryland, College Park, MD 20742          240-731-3822 (Cell)
Received on Thursday, 27 March 2003 05:05:35 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 6 January 2015 21:15:20 UTC