3776 search results - page 667 / 756 » Partition-Based Logical Reasoning |
OTM
2005
Springer
14 years 1 months ago
2005
Springer
We propose to enhance a schema integration process with a validation phase employing logic-based data models. In our methodology, we validate the source schemas against the data mo...
DLOG
2007
13 years 10 months ago
2007
Abstract. Concept approximation is an inference service for Description Logics that provides “translations” of concept descriptions from one DL to a less expressive DL. In [4] ...
EKAW
2008
Springer
13 years 9 months ago
2008
Springer
Abstract. Dealing with heterogeneous ontologies by means of semantic mappings has become an important area of research and a number of systems for discovering mappings between onto...
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...
DLOG
2001
13 years 9 months ago
2001
For description logics with existential restrictions, the size of the least common subsumer (lcs) of concept descriptions may grow exponentially in the size of the concept descrip...