- From: Oliver Ruebenacker <curoli@gmail.com>
- Date: Wed, 25 Mar 2009 16:54:33 -0400
- To: Bijan Parsia <bparsia@cs.manchester.ac.uk>
- Cc: Matthias Samwald <samwald@gmx.at>, Mark Wilkinson <markw@illuminae.com>, Phillip Lord <phillip.lord@newcastle.ac.uk>, W3C HCLSIG hcls <public-semweb-lifesci@w3.org>
Hello Bijan, If a few simple and obvious question is already unwelcome, then there is no need to engage. Take care Oliver On Wed, Mar 25, 2009 at 4:46 PM, Bijan Parsia <bparsia@cs.manchester.ac.uk> wrote: > On 25 Mar 2009, at 20:35, Oliver Ruebenacker wrote: > >> Hello Bijan, All, > > Hello Oliver. > >> These are not even transitive, right? > > Which? I have 4 or so sketches. > > Similarity can be transitive, for example. Transitivity isn't the only thing > one might want to do. > >> So what can we do with them >> reasoning-wise? > > Depends on the relation proposed. Thus far we've just sketched things in a > very broad way. Clear requirements haven't been developed. > > I'm not sure why you are so knee jerk against exploring possibilities. > >> Isn't likeness too much in the eye of the beholder > > No. > > Similarity is one sort of possible relation and there are many similarity > metrics possible. And many ways of user defining it. Thats sort of the point > of having a logic. > >> to be agreed upon >> universally? > > I regard universal agreement as a non-goal. > >> Why not move such concepts to more specialized ontologies >> instead of OWL? > > OWL isn't an ontology. > > We're talking about what might be useful relations to have expressible with > standard behavior up to and including inference support. I.e., thinks which > are extensions or layers on OWL. > > Of course, you can axiomitize arbitrary distinct equivalence relationship in > OWL since you have Transitivity, Reflexivity, and Symmetry. So that is, of > course, another option. It won't work with counting, but perhaps that's ok > for some purposes. It should be mentioned as an option of course. > > Of course, if people don't think investigations along these lines are > fruitful, I'm happy to drop it. > > Cheers, > Bijan. > -- Oliver Ruebenacker, Computational Cell Biologist BioPAX Integration at Virtual Cell (http://vcell.org/biopax) Center for Cell Analysis and Modeling http://www.oliver.curiousworld.org
Received on Wednesday, 25 March 2009 20:55:11 UTC