- From: pat hayes <phayes@ihmc.us>
- Date: Sat, 19 Jul 2003 13:41:50 -0500
- To: "Williams, Stuart" <skw@hp.com>
- Cc: www-tag@w3.org
>Tim (or Pat), > >> No, that would be illegal by my way of thinking. >> http://chandra.harvard.edu/NGC/ngc1068 is an information resource. >> You would expect >> >> >> <rdf:Description >> rdf:about="http://chandra.harvard.edu/NGC#ngc1068" >> rdf:type="http://chandra.harvard.edu/AOtype/Activegalaxy7" >> </rdf:Description> >> >> or, in the http://chandra.harvard.edu/NGC information ressource,, >> >> <rdf:Description >> rdf:about="#ngc1068" >> rdf:type="http://chandra.harvard.edu/AOtype/Activegalaxy7" >> </rdf:Description> >> >> where you can see that local identifiers can be used to refer >> to abstract things, because that is what the RDF language spec says. > >Can you provide a reference to what the RDF language spec actually says on >this topic, I'd like to read it for myself. The relevant citation is probably http://www.w3.org/2001/sw/RDFCore/TR/WD-rdf-concepts-20030117/#section-fragID >I was under there impression that RDF gave URI References (2396 terminology) >an entirely opaque treatment. The semantics treats them completely opaquely: however, existing RDF/DAML/OWL *practice* seems to often follow the convention outlined by Tim, where a URIref of the form ex:place#thing denotes an entity described by some RDF which can be found at the address ex:place. Pat -- --------------------------------------------------------------------- IHMC (850)434 8903 or (650)494 3973 home 40 South Alcaniz St. (850)202 4416 office Pensacola (850)202 4440 fax FL 32501 (850)291 0667 cell phayes@ihmc.us http://www.ihmc.us/users/phayes
Received on Saturday, 19 July 2003 14:41:54 UTC