7129 search results - page 1175 / 1426 » Approximation Algorithms for Treewidth |
139
Voted
PODS
2007
ACM
16 years 3 months ago
2007
ACM
We consider the problem of optimizing and executing multiple continuous queries, where each query is a conjunction of filters and each filter may occur in multiple queries. When f...
128
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EDBT
2004
ACM
16 years 3 months ago
2004
ACM
To effectively support today's global economy, database systems need to store and manipulate text data in multiple languages simultaneously. Current database systems do suppor...
123
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WSDM
2010
ACM
16 years 21 days ago
2010
ACM
We study the problem of designing a mechanism to rank items in forums by making use of the user reviews such as thumb and star ratings. We compare mechanisms where forum users rat...
140
Voted
EDBT
2009
ACM
15 years 10 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...
144
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GIS
2009
ACM
15 years 10 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...