137 search results - page 25 / 28 » Fuzzy Description Logic Reasoning Using a Fixpoint Algorithm |
DLOG
2004
13 years 9 months ago
2004
We present algorithms based on truth-prefixed tableaux to solve both Concept Abduction and Contraction in ALN DL. We also analyze the computational complexity of the problems, sho...
WWW
2011
ACM
13 years 2 months ago
2011
ACM
We propose a description-logic style extension of OWL 2 with nominal schemas which can be used like“variable nominal classes”within axioms. This feature allows ontology langua...
SIGSOFT
2006
ACM
14 years 8 months ago
2006
ACM
We consider the problem if a given program satisfies a specified safety property. Interesting programs have infinite state spaces, with inputs ranging over infinite domains, and f...
DLOG
2004
13 years 9 months ago
2004
er reports on a pragmatic query language for Racer. The abstract syntax and semantics of this query language is defined. Next, the practical relevance of this query language is sh...
AI
2010
Springer
13 years 7 months ago
2010
Springer
We develop a formal framework for comparing different versions of ontologies, and apply it to ontologies formulated in terms of DL-Lite, a family of `lightweight' description...