- From: Jim Hendler <hendler@cs.umd.edu>
- Date: Wed, 8 Oct 2003 18:41:20 -0400
- To: Sandro Hawke <sandro@w3.org>
- Cc: public-sw-meaning@w3.org
At 2:28 PM -0400 10/8/03, Sandro Hawke wrote: >> if the bio:page states >> bio:Dog a bio:mammal > ^ assuming you mean ferrell:subClassOf ? >> will you output >> Donny a bio:mammal. > >Yes. The triples are all just throw together into one store. As each >one gets thrown it, it gets examined to see if it suggests still more >should be thrown in. (forming the "web closure", pruned (to be fairly >small in this case) because we're not following URIs in the subject >position.) In cwm's case, given --think, once its done finding the >pruned web closure, then it computes the deductive closure (also >finite, even small), which it outputs. > >There are some interesting possibilities for backward chaining, and >for reaching out onto web at the same time as doing inference, but cwm >doesn't try that right now. > >The actual test I proposed for Tim ended with asking cwm which dogs it >knew about, so I didn't have to wade through all the other stuff cwm >might have gathered and inferred. > >> If the bio: page contains >> :Coconut a :Cat >> >> will cwm claim >> bio:Coconut a bio:Cat. >> ? > >Yes. The triples on the bio page are thrown in with the rest. (I >suggested we may want to tag where they came from for >explanation/trust reasoning, some day soon.) > > -- sandro then I'm confused, how is this different from just importing every triple on that page? -- 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 *** 240-277-3388 (Cell) http://www.cs.umd.edu/users/hendler *** NOTE CHANGED CELL NUMBER ***
Received on Wednesday, 8 October 2003 18:41:26 UTC