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» Reasoning with Expressive Description Logics: Theory and Pra...
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CSL
2006
Springer
14 years 12 days ago
A Sequent Calculus for Type Theory
Based on natural deduction, Pure Type Systems (PTS) can express a wide range of type theories. In order to express proof-search in such theories, we introduce the Pure Type Sequent...
Stéphane Lengrand, Roy Dyckhoff, James McKi...
DLOG
2008
13 years 11 months ago
Locality and Subsumption Testing in EL and Some of its Extensions
Abstract. We show that subsumption problems in EL and related description logics can be expressed as uniform word problems in classes of semilattices with monotone operators. We us...
Viorica Sofronie-Stokkermans
LATA
2010
Springer
14 years 3 months ago
Using Sums-of-Products for Non-standard Reasoning
Abstract. An important portion of the current research in Description Logics is devoted to the expansion of the reasoning services and the developement of algorithms that can adequ...
Rafael Peñaloza
DLOG
2007
13 years 11 months ago
Expressing DL-Lite Ontologies with Controlled English
In this paper we deal with the problem of providing natural language front-ends to databases upon which an ontology layer has been added. Specifically, we are interested in expres...
Raffaella Bernardi, Diego Calvanese, Camilo Thorne
DLOG
2003
13 years 10 months ago
Relationships with other Formalisms
In this chapter, we are concerned with the relationship between Description Logics and other formalisms, regardless of whether they were designed for knowledge representation issu...
Ulrike Sattler, Diego Calvanese, Ralf Molitor