- From: Ian Horrocks <horrocks@cs.man.ac.uk>
- Date: Fri, 25 Jul 2003 13:57:04 +0100
- To: "Peter Crowther" <Peter.Crowther@melandra.com>, <www-webont-wg@w3.org>
- Message-ID: <16161.10528.644928.823371@merlin.horrocks.net>
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
Attachments
- application/octet-stream attachment: galen-taxonomy
Received on Friday, 25 July 2003 08:58:42 UTC