- From: Brian McBride <bwm@hplb.hpl.hp.com>
- Date: Thu, 27 Mar 2003 10:05:58 +0000
- To: Jim Hendler <hendler@cs.umd.edu>, Dave Beckett <dave.beckett@bristol.ac.uk>
- Cc: www-rdf-comments@w3.org
Jim, 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. Brian At 21:31 26/03/2003 -0500, Jim Hendler wrote: >Dave- > 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> ></:Namelist> > >(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 >list. > >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: >>Jim, >> >>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. >> >>Dave > > >-- >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) >http://www.cs.umd.edu/users/hendler
Received on Thursday, 27 March 2003 05:05:35 UTC