83 search results - page 4 / 17 » Tractable Query Answering over Ontologies with Datalog - |
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
RR
2007
Springer
14 years 3 months ago
2007
Springer
COMAD
2009
13 years 11 months ago
2009
An ontology is an explicit specification of shared conceptualization. The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies, a...
KSEM
2010
Springer
13 years 8 months ago
2010
Springer
In this paper, we consider the problem of query answering over large multimedia ontologies. Traditional reasoning systems may have problems to deal with large amounts of expressive...
WWW
2008
ACM
14 years 10 months ago
2008
ACM
Fuzzy ontologies are envisioned to be useful in the Semantic Web. Existing fuzzy ontology reasoners are not scalable enough to handle the scale of data that the Web provides. In t...