27756 search results - page 511 / 5552 » Process Query Systems |
294
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
197
Voted
CIKM
2006
Springer
15 years 10 months ago
2006
Springer
In this paper we introduce the problem of Constrained Subspace Skyline Queries. This class of queries can be thought of as a generalization of subspace skyline queries using range...
187
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ESWS
2008
Springer
15 years 8 months ago
2008
Springer
The increasing amount of data on the Semantic Web offers opportunities for semantic search. However, formal query hinders the casual users in expressing their information need as t...
266
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
This paper addresses the efficient processing of similarity queries in metric spaces, where data is horizontally distributed across a P2P network. The proposed approach does not r...
182
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
The emergence of the Web has increased interests in XML data. XML query languages such as XQuery and XPath use label paths to traverse the irregularly structured data. Without a s...