- From: Jim Hendler <hendler@cs.umd.edu>
- Date: Wed, 25 Oct 2006 15:28:49 -0400
- To: Ivan Herman <ivan@w3.org>, Adrian Walker <adriandwalker@gmail.com>
- Cc: Kerstin.L.Forsberg@astrazeneca.com, public-semweb-lifesci@w3.org
At 9:11 AM +0200 10/24/06, Ivan Herman wrote: >HI Adrian & all, > >yes, I can see your point and indeed, if a rule system was around, it >may do the trick in simple cases. Another (non-exclusive) approach is >what I briefly mentioned at the F2F: is the development of a kind of an >intermediate layer between RDFS and OWL; a layer that would allow some >extra information to be added to the knowledge base without forcing the >usage of a DL reasoner. There are several approaches for this, and we (I >mean, W3C) may want to look into this more closely next year... > >Ivan > other than having a lot of trouble with Ivan's statement that implies that you need a DL reasoner to do anything useful with OWL (which is clearly untrue and not what he really meant to imply) I definitely agree with this :-) -JH >Adrian Walker wrote: >> Hi Ivan, Kerstin & All -- >> >> A quick thought about "you are a perfectly decent Semantic Web citizen >> even if you do not use OWL". >> >> We have found that, even in rather simple cases, it's quite hard for a >> programmer to check that inferences over RDF are producing correct results. >> >> An approach that we have found useful is to reason over RDF using rules >> in executable, open vocabulary English. >> >> With this extra English semantics attached, we can have the system >> explain, in English, at the business or scientific level, how it derived >> a result. >> >> There's a simple example at >> >> >> https://www.reengineeringllc.com/demo_agents/RDFQueryLangComparison1.agent >> >> You can view, edit, and run the example (and others) by pointing a >> browser to reengineeringllc.com <http://reengineeringllc.com> and >> selecting the example RDFQueryLangComparison1 . >> >> HTH, -- Adrian >> >> >> Internet Business Logic (R) >> Executable open vocabulary English >> Online at www.reengineeringllc.com <http://www.reengineeringllc.com> >> Shared use is free >> >> Adrian Walker >> Reengineering >> Phone: USA 860 830 2085 >> >> > >-- > >Ivan Herman, W3C Semantic Web Activity Lead >URL: http://www.w3.org/People/Ivan/ >PGP Key: http://www.cwi.nl/%7Eivan/AboutMe/pgpkey.html >FOAF: http://www.ivan-herman.net/foaf.rdf > > >Content-Type: application/pgp-signature; name="signature.asc" >Content-Description: OpenPGP digital signature >Content-Disposition: attachment; filename="signature.asc" > >Attachment converted: OWL++:signature 530.asc ( / ) (0011C9D4) -- Prof James Hendler hendler@cs.umd.edu Dept of Computer Science http://www.cs.umd.edu/~hendler AV Williams Bldg 301-405-2696 (work) Univ of Maryland 301-405-6707 (Fax) College Park, MD 20853 USA
Received on Wednesday, 25 October 2006 19:29:54 UTC