492 search results - page 19 / 99 » Semantic Query Transformation Using Ontologies |
ESWS
2007
Springer
14 years 2 months ago
2007
Springer
Many semantic portals use faceted browsing, where the facets are based on the underlying indexing ontologies of the content. However, in many cases, like in medical applications, t...
SSDBM
2008
IEEE
14 years 2 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...
ASWC
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. Ontology reasoning is an indispensable step to fully exploit the implicit semantics of Semantic Web data. The inherent distribution characteristic of the Semantic Web and...
SEMWEB
2009
Springer
14 years 3 months ago
2009
Springer
An important application of semantic web technology is recognizing human-defined concepts in text. Query transformation is a strategy often used in search engines to derive querie...
WECWIS
2008
IEEE
14 years 2 months ago
2008
IEEE
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...