85 search results - page 7 / 17 » Conservative Extensions in Expressive Description Logics |
ECAI
1998
Springer
13 years 11 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
FLAIRS
2006
13 years 9 months ago
2006
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 ...
LPAR
2007
Springer
14 years 1 months ago
2007
Springer
In this paper we propose a nonmonotonic extension ALC + Tmin of the Description Logic ALC for reasoning about prototypical properties and inheritance with exception. The logic ALC ...
DIMACS
1996
13 years 9 months ago
1996
in Structure'95. 14] R. Fagin. Easier ways to win logical games. In Proc. DIMACS Workshop on Descriptive Complexity and Finite Models, AMS 1997. 15] R. Fagin, L. Stockmeyer, M...
KI
2006
Springer
13 years 7 months ago
2006
Springer
Motivated by a chemical process engineering application, we introduce a new concept constructor in Description Logics (DLs), an n-ary variant of the existential restriction constr...