Christoph,

TBC implements a few "trivial" inferences for display purposes. However,
these are in place only until a "true" inference process runs. At that
point, TBC will show only asserted triples and triples inferred by the
inferencer. We do this to avoid confusion as to where which inferred triple
came from and also to avoid potential collisions.

I would recommend that you create a SPARQL CONSTRUCT query to create ?class
rdfs:subClassOf owl:Thing triple for each class that is not a subject of any
triple with rdfs:subClassOf predicate. 

You could then run it after you run Pellet and infer created triples. Or,
you can customize inferencing to have Pellet as a first step and running
this query as a second step.

For information on how to configure inferencing, see Help: TopBraid Composer
> How to? > Run and Configure Inference Engines 

Regards,   


Irene Polikoff
Executive Partner, TopQuadrant
tel: 914-777-0888/ cell: 914-329-8576
www.topquadrant.com

-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Christoph
Sent: Monday, October 20, 2008 5:18 PM
To: TopBraid Composer Users
Subject: [tbc-users] Re: Pizza Ontology, Inference Loop


Hello, Sorry, I meant that before I run Pellet, a class is inferred as a
subclass of owl:Thing. After reasoning with Pellet, the class does not
appear in the class view anymore, since Topbraid "forgets" the inference. It
does not appear as subclass of any of the other classes, either.




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