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DLOG
1997
13 years 11 months ago
Classifying Description Logics
We describe a method for characterizing the expressive power of description logics. The method is essentially model-theoretic in nature, and it is applied to obtain expressiveness...
Natasha Kurtonina, Maarten de Rijke
DLOG
1997
13 years 11 months ago
Spatioterminological Reasoning: Subsumption Based on Geometrical Inferences
Abstract: This paper presents a theoretical basis for terminological reasoning about objects and their qualitative spatial relationships. In contrast to existing work, which mainly...
Volker Haarslev, Ralf Möller
DLOG
1997
13 years 11 months ago
Discovering description logic assertions from database schemes
Angela Bonifati, Luigi Palopoli, Domenico Sacc&agr...
DLOG
1997
13 years 11 months ago
Experiments with the DFL Hybrid System
Abstract. In this short paper we describe the DFL hybrid knowledge base, that integrates descriptions with expressive object-oriented rules. The knowledge base manages a database o...
Mira Balaban, Adi Eyal
DLOG
1997
13 years 11 months ago
Conjunctive Query Containment in Description Logics with n-ary Relations
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...
DLOG
2000
13 years 11 months ago
Adapting Optimization Techniques to Description Logics with Concrete Domains
In this paper, we demonstrate that the main standard optimization techniques dependency directed backtracking and model merging can be adapted to description logics with concrete ...
Anni-Yasmin Turhan, Volker Haarslev
DLOG
2000
13 years 11 months ago
Optimisation of Terminological Reasoning
Ian Horrocks, Stephan Tobies