1497 search results - page 186 / 300 » Constraint Databases: A Survey |
171
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PODS
2005
ACM
16 years 6 months ago
2005
ACM
Owners of sources registered in an information integration system, which provides answers to a (potentially evolving) set of client queries, need to know their contribution to the...
179
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PODS
2005
ACM
16 years 6 months ago
2005
ACM
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
158
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
Abstract. Non-contiguous subsequence pattern queries search for symbol instances in a long sequence that satisfy some soft temporal constraints. In this paper, we propose a methodo...
176
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Relevance Feedback is an important way to enhance retrieval quality by integrating relevance information provided by a user. In XML retrieval, feedback engines usually generate an ...
201
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— In this paper, we will study the problem of projected clustering of uncertain data streams. The use of uncertainty is especially important in the high dimensional scenario, bec...