3225 search results - page 231 / 645 » Query Optimization by Stored Queries |
169
Voted
DLOG
2011
14 years 8 months ago
2011
We present an optimized query rewriting algorithm for OWL 2 QL that computes the rewriting set of a user query by avoiding unnecessary inferences and extended clause subsumption ch...
135
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ICDE
2010
IEEE
16 years 2 months ago
2010
IEEE
— Multi-criteria decision support (MCDS) is crucial in many business and web applications such as web searches, B2B portals and on-line commerce. Such MCDS applications need to r...
159
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BDA
2007
15 years 6 months ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
193
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DASFAA
2005
IEEE
15 years 10 months ago
2005
IEEE
Peer-to-peer (P2P) computing is gaining more and more significance due to its widespread use currently and potential deployments in future applications. In this paper, we propose ...
179
Voted
IDEAS
2009
IEEE
15 years 11 months ago
2009
IEEE
In this paper, we present our work on evaluating the skyline algorithms BNL, SFS, and a variant of LESS in PostgreSQL. It is well known that the performance of skyline queries is ...