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» On Expressive Number Restrictions in Description Logics
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DLOG
2008
13 years 10 months ago
Rewriting Rules into SROIQ Axioms
Description Logics are a family of very expressive logics but some forms of knowledge are much more intuitive to formulate otherwise, say, as rules. Rules in DL can be dealt with t...
Francis Gasse, Ulrike Sattler, Volker Haarslev
FLAIRS
2006
13 years 9 months ago
Uncertainty Reasoning in Description Logics: A Generic Approach
Description Logics (DL) are gaining more popularity as the foundation of ontology languages for the Semantic Web. As most information in real life is imperfect, there has been an ...
Volker Haarslev, Hsueh-Ieng Pai, Nematollaah Shiri
DLOG
2009
13 years 5 months ago
Model-Based Most Specific Concepts in Some Inexpressive Description Logics
Abstract. Model-based most specific concepts are a non-standard reasoning service in Description Logics. They have turned out to be useful in knowledge base completion for ontologi...
Felix Distel
AUSAI
2005
Springer
14 years 1 months ago
A Controlled Natural Language Layer for the Semantic Web
In this paper, I will show how a controlled natural language can be used to describe knowledge for the Semantic Web and discuss the formal properties of this language. At the firs...
Rolf Schwitter
DAGSTUHL
1996
13 years 9 months ago
Multi-Level Lambda-Calculi: An Algebraic Description
Abstract. Two-level -calculi have been heavily utilised for applications such as partial evaluation, abstract interpretation and code generation. Each of these applications pose di...
Flemming Nielson, Hanne Riis Nielson