486 search results - page 12 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
140
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ICDE
2010
IEEE
15 years 10 months ago
2010
IEEE
— In this paper1 we address the problem of processing continuous multi-join queries, over distributed data streams. Our approach makes use of existing work in the field of publi...
124
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PVLDB
2008
15 years 28 days ago
2008
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
114
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SYRCODIS
2007
15 years 2 months ago
2007
In this paper we consider the problem of efficiently producing results for full-text keyword search queries over XML documents. We describe full-text search query semantics and pr...
130
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MDM
2005
Springer
15 years 7 months ago
2005
Springer
This paper introduces a new family of Generic and Progressive algorithms (GPAC, for short) for continuous mobile queries over mobile objects. GPAC provides a general skeleton that...
100
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ICDT
2003
ACM
15 years 6 months ago
2003
ACM
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...