97 search results - page 2 / 20 » Distributed Island-Based Query Answering for Expressive Onto... |
SEBD
2007
13 years 6 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
AAAI
2006
13 years 6 months ago
2006
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
DLOG
2009
13 years 6 months ago
2009
Abstract. We present a family of expressive extensions of Datalog, called Datalog
IJCAI
2003
13 years 6 months ago
2003
In this paper, we define a simple but scalable framework for peer-to-peer data sharing systems, in which the problem of answering queries over a network of semantically related p...
AIMSA
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Ontology based data access (OBDA) is concerned with providing access to typically very large data sources through a mediating conceptual layer that allows one to improve ...