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» Automation of Diagrammatic Reasoning
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DLOG
2004
15 years 8 months ago
On Subsumption and Instance Problem in ELH w.r.t. General TBoxes
Recently, it was shown for the DL EL that subsumption and instance problem w.r.t. cyclic terminologies can be decided in polynomial time. In this paper, we show that both problems...
Sebastian Brandt
DLOG
2006
15 years 8 months ago
PSPACE Automata for Description Logics
Tree automata are often used for satisfiability testing in the area of description logics, which usually yields ExpTime complexity results. We examine conditions under which this ...
Jan Hladik, Rafael Peñaloza
166
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DLOG
2006
15 years 8 months ago
SHIN ABox Reduction
We propose a technique to make consistency detection scalable for large Aboxes in secondary storage. We use static analysis of knowledge representation with summarization techniqu...
Achille Fokoue, Aaron Kershenbaum, Li Ma
DLOG
2006
15 years 8 months ago
DL Actions with GCIs: a Pragmatic Approach
We recently proposed action formalisms based on description logics (DLs) as decidable fragments of well-established action theories such as the Situation Calculus and the Fluent C...
Hongkai Liu, Carsten Lutz, Maja Milicic, Frank Wol...
DLOG
2001
15 years 8 months ago
A Note on Concepts and Distances
We combine the description logic ALC with the metric logics defined Entities that are conceived of as abstract points in the realm of ALC are given a spatial extension via an `ext...
Oliver Kutz, Frank Wolter, Michael Zakharyaschev