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RE: Test ontologies + forgotten attachment

From: Ian Horrocks <horrocks@cs.man.ac.uk>
Date: Fri, 25 Jul 2003 13:57:04 +0100
Message-ID: <16161.10528.644928.823371@merlin.horrocks.net>
To: "Peter Crowther" <Peter.Crowther@melandra.com>, <www-webont-wg@w3.org>
Sorry, I forgot the attachment. Here it is.

Ian




On July 25, Ian Horrocks writes:
> 
> On July 25, Peter Crowther writes:
> > 
> > > From: Ian Horrocks [mailto:horrocks@cs.man.ac.uk] 
> > > I converted some "interesting" ontologies to OWL:
> > > 
> > > http://www.cs.man.ac.uk/~horrocks/OWL/Ontologies/ka.owl
> > > http://www.cs.man.ac.uk/~horrocks/OWL/Ontologies/galen.owl
> > > http://www.cs.man.ac.uk/~horrocks/OWL/Ontologies/mad_cows.owl
> > > 
> > > They have been checked with both validators and seem to be OK. The
> > > first (ka.owl) is Lite, the other two are DL. "galen.owl" is (part of)
> > > the well known Galen medical terminology ontology - classifying this
> > > ontology should prove an interesting challenge for new reasoner
> > > implementations.
> > 
> > In particular (speaking from experience), there are some
> > less-than-obvious subsumption relationships in galen.owl - and it
> > doesn't even use several of the more interesting features of DL.  What
> > Ian (characteristically) hasn't said is that this fragment of the Galen
> > KB is something of a benchmark for DL reasoners; the fastest
> > implementation of a description logic (SHF, not OWL DL) of which I am
> > aware can calculate the full subsumption hierarchy of galen.owl in a
> > hair under 10 seconds on a 2GHz Pentium, excluding the file load time.
> > 
> > Ian, do you also have a list of expected subsumptions in galen.owl?  It
> > would provide a useful target for DL reasoner implementations.
> 
> I have attached a dump of the taxonomy of named classes from the
> ontology. It is set of lists of the form:
> 
> (class-name direct-supers direct-subs)
> 
> where class-name is the name of a class, direct-supers is a list of
> its direct superclasses, and direct-subs is a list of its direct
> subclasses. E.g.:
> 
> ("BodySpace" ("Space" "BodyStructure") ("PericardialSpace" "OperationField" "BodyHole"))
> 
> says that the direct superclasses of "BodySpace" are "Space" and
> "BodyStructure", and that the direct subclasses of "BodySpace" are
> "PericardialSpace", "OperationField" and "BodyHole".
> 
> Regards, Ian
> 
> 
> > 
> > 		- Peter
> > --
> > Peter Crowther, Director, Melandra Limited


Received on Friday, 25 July 2003 08:58:42 GMT

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