121 search results - page 14 / 25 » Semantic optimization techniques for preference queries |
DLOG
2003
13 years 8 months ago
2003
Agent systems that search the Semantic Web are seen as killer applications for description logic (DL) inference engines. The guiding examples for the Semantic Web involve informat...
WWW
2003
ACM
14 years 7 months ago
2003
ACM
The Semantic Web envisions a World Wide Web in which data is described with rich semantics and applications can pose complex queries. To this point, researchers have defined new l...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
As XQuery nears standardization, more sophisticated XQuery applications are emerging, which often exploit the entire language and are applied to non-trivial XML sources. We propos...
DEXA
2009
Springer
14 years 1 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
LPAR
2005
Springer
14 years 6 days ago
2005
Springer
Integrity checking is an essential means for the preservation of the intended semantics of a deductive database. Incrementality is the only feasible approach to checking and can be...