We present a translation of looping alternating two-way automata into a comparably inexpressive description logic, which is contained in SHIQ. This enables us to perform the empti...
In this contribution we present an empirical analysis of the performance of the ALCNHR+ description logic system RACE applied to TBoxes with a very large number of primitive conce...
D ABSTRACT) Ramayya Kumar, Thomas Kropf, Klaus Schneider University of Karlsruhe,Institute of ComputerDesign and Fault Tolerance (Prof.Dr.D. Schmid) P.O. Box 6980, W-7500 Karlsruhe...
Abstract. In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general object-oriented m...
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
Roman Kontchakov, Frank Wolter, Michael Zakharyasc...