140 search results - page 11 / 28 » On Expressive Number Restrictions in Description Logics |
DLOG
2008
13 years 10 months ago
2008
Abstract. We propose an approach for extending a tableau-based satisfiability algorithm by an arithmetic component. The result is a hybrid satisfiability algorithm for the Descript...
DLOG
2007
13 years 10 months ago
2007
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...
ENTCS
2006
13 years 7 months ago
2006
Model theoretic syntax is concerned with studying the descriptive complexity of grammar formalisms for natural languages by defining their derivation trees in suitable logical for...
DLOG
2000
13 years 9 months ago
2000
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 ...
CORR
2004
Springer
13 years 7 months ago
2004
Springer
We present role logic, a notation for describing properties of relational structures in shape analysis, databases, and knowledge bases. We construct role logic using the ideas of ...