2043 search results - page 17 / 409 » The Limits of Querying Ontologies |
CORR
2007
Springer
13 years 8 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
ER
2006
Springer
14 years 9 days ago
2006
Springer
Ontologies on the Semantic Web are by nature decentralized. From the body of ontology mapping approaches, we can draw a conclusion that an effective approach to automate ontology m...
DATESO
2009
13 years 6 months ago
2009
Ontology as a knowledge base can provide different reasoning tasks, e.g. to check consistency of the ontology or to check whether a resource is instance of a concept or not. In thi...
FQAS
2009
Springer
14 years 3 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...
DEBU
2002
13 years 8 months ago
2002
State-of-the-art Web search engines are inherently limited in their abilities to search information in Deep Web beyond portals. This paper discusses how Web services and Semantic-...