7576 search results - page 6 / 1516 » On Querying Ontologies and Databases |
FQAS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Controlled languages (CLs) are ambiguity-free subsets of natural languages such as English offering a good trade-off between the formal rigor of ontology and query langua...
SSD
2009
Springer
14 years 13 hour ago
2009
Springer
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...
SSDBM
2008
IEEE
14 years 1 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
DASFAA
2007
IEEE
14 years 1 months ago
2007
IEEE
Recently, several approaches and systems were proposed to store in the same database data and the ontologies describing their meanings. We call these databases, ontology-based data...
ICSNW
2004
Springer
14 years 26 days ago
2004
Springer
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...