7576 search results - page 63 / 1516 » On Querying Ontologies and Databases |
DLOG
2004
13 years 10 months ago
2004
This paper describes the OWL ontology explorer OntoXpl. It is available as a web server based on the tomcat architecture. Standard HTML browsers can be used to interact with OntoX...
FLAIRS
2004
13 years 10 months ago
2004
Ontologic knowledge is getting more and more important in agent-based systems, and its handling is becoming crucial for successful applications. But placing all the ontologyhandli...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
DEXAW
2007
IEEE
14 years 3 months ago
2007
IEEE
In this paper we give an overview of methods to find representations of ontology defined concepts in texts. We distinguish two approaches: lexicon-based methods and approaches u...
DEXAW
2007
IEEE
14 years 3 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...