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doi:10.1006/jsco.2000.0426    
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Copyright © 2001 Academic Press. All rights reserved.

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Unification of Concept Terms in Description Logics

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Franz Baader and Paliath Narendran

Theoretical Computer Science, RWTH Aachen, Germany

Department of Computer Science, State University of New York at Albany, U.S.A.


Received 10 March 1999; 
accepted 24 January 2001. ;
Available online 28 February 2002.

Abstract

Unification of concept terms is a new kind of inference problem for description logics, which extends the equivalence problem by allowing one to replace certain concept names by concept terms before testing for equivalence. We show that this inference problem is of interest for applications, and present first decidability and complexity results for a small concept description language.


 
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