- From: Jim Hendler <hendler@cs.umd.edu>
- Date: Tue, 31 Dec 2002 09:24:14 -0500
- To: "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>, jjc@hpl.hp.com
- Cc: www-webont-wg@w3.org
> >> ==== >> >> Bother, 2(b) doesn't do as much as I wanted for solving the inability to use >> a bnode in two places problem, ... I think the abstarct syntax could benefit >> from the following change: >> >> In many places (to be defined precisely which) >> replace >> <URI reference> >> with >> <OWL Name> >> >> and add a rule >> >> <OWL Name> ::= <URI Reference> >> <OWL Name> ::= <local identifier> >> >> The latter play the same role in the abstract syntax as Blank node >> identifiers play in N-triples and RDF/XML. (Note there are no blank node >> identifiers in the RDF graph). > >This will not be done. > >> This when combined with 2(b) allows near-arbitrary use of blank nodes while >> clearly remaining within the constraints of the abstract syntax. >> >> Jeremy > >peter Peter - is there a reason you say "this will not be done"? I kind of like Jeremy's proposal - if it doesn't break OWL DL on some formal level, it seems like a good change - why don't you like it? -- 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 Tuesday, 31 December 2002 09:24:22 UTC