83 search results - page 12 / 17 » Tractable Query Answering over Ontologies with Datalog - |
OTM
2005
Springer
14 years 2 months ago
2005
Springer
Several applications require reasoning over autonomously developed ontologies. Initially conceived to explicit the semantics of a certain domain, these ontologies become a powerfu...
CSFW
2003
IEEE
14 years 1 months ago
2003
IEEE
SPKI/SDSI is a language for expressing distributed access control policy, derived from SPKI and SDSI. We provide a first-order logic (FOL) semantics for SDSI, and show that it ha...
WISE
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
In this poster we present an approach to query answering over knowledge sources that makes use of different ontology management components within an application scenario of the BT...
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...