7576 search results - page 49 / 1516 » On Querying Ontologies and Databases |
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
ICLP
2005
Springer
14 years 2 months ago
2005
Springer
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
ESWS
2009
Springer
14 years 3 months ago
2009
Springer
This thesis investigates the question whether and how ontologies such as the ones currently evolving in the Semantic Web can serve as knowledge structures for the generation of que...
DEXA
2004
Springer
14 years 2 months ago
2004
Springer
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...