- From: Graham Klyne <Graham.Klyne@MIMEsweeper.com>
- Date: Tue, 02 Oct 2001 11:23:01 +0100
- To: Dan Connolly <connolly@w3.org>
- Cc: RDFCore WG <w3c-rdfcore-wg@w3.org>
Dan, Good point! My next question, then, would be: can bNodes denote literal values? (If we go down this route, I think the answer should be yes.) #g -- At 05:56 PM 10/1/01 -0500, Dan Connolly wrote: >Graham Klyne wrote: >[... lots of stuff that I'd have to re-read in order >to comment intelligently on...] > > - Does it make sense for literals to have properties; e.g. > > "Property string" --length--> "15" > > I think any such properties would be trivial, in the sense that they always > > can be determined by examination of the literal itself. So, if prohibited, > > no expressive power is lost. > >No, now that we've decided that existential quantification >is part of RDF, there *is* expressive power in properties >of literals (strings, XML content constants, ...): > >Consider: > > <http://www.w3.org/> dc:title _:s. > _:t charmod:lengthNumeral "15". > >that's true in interpretations where the/a title of >the W3C home page is longer than 15 chars, and >false in other interpretations. > >-- >Dan Connolly, W3C http://www.w3.org/People/Connolly/ ------------------------------------------------------------ Graham Klyne MIMEsweeper Group Strategic Research <http://www.mimesweeper.com> <Graham.Klyne@MIMEsweeper.com> ------------------------------------------------------------
Received on Tuesday, 2 October 2001 07:12:35 UTC