2063 search results - page 134 / 413 » Containment of Aggregate Queries |
117
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KDD
2005
ACM
16 years 4 months ago
2005
ACM
We present an algorithm for mining tree-shaped patterns in a large graph. Novel about our class of patterns is that they can contain constants, and can contain existential nodes w...
224
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VLDB
2006
ACM
16 years 4 months ago
2006
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find a set of views that can compute the answers to the queries, such that the amoun...
116
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PODS
2003
ACM
16 years 4 months ago
2003
ACM
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
157
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
132
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CIKM
2007
Springer
15 years 10 months ago
2007
Springer
We investigate the subtle cues to user identity that may be exploited in attacks on the privacy of users in web search query logs. We study the application of simple classifiers ...