209 search results - page 8 / 42 » Using Ontologies for Database Query Reformulation |
KRDB
2003
13 years 9 months ago
2003
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
WEBI
2010
Springer
13 years 5 months ago
2010
Springer
In recent years, there has been an explosion of publicly available RDF and OWL web pages. Some of these pages are static text files, while others are dynamically generated from la...
GIS
2002
ACM
13 years 7 months ago
2002
ACM
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
IDEAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
DEXAW
2007
IEEE
13 years 11 months ago
2007
IEEE
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...