9683 search results - page 577 / 1937 » Predicting query performance |
207
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CIKM
2007
Springer
15 years 11 months ago
2007
Springer
We consider a distributed information system that allows autonomous consumers to query autonomous providers. We focus on the problem of query allocation from a new point of view, ...
185
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TREC
1996
15 years 8 months ago
1996
A number of experiments conducted within the framework of the TREC-5 conference and using the Parallel Document Retrieval Engine (PADRE) are reported. Several of the experiments i...
208
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PVLDB
2010
15 years 2 months ago
2010
A RkNN query returns all objects whose nearest k neighbors contain the query object. In this paper, we consider RkNN query processing in the case where the distances between attri...
195
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SIGMOD
2011
ACM
14 years 10 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
300
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
We propose XSEED, a synopsis of path queries for cardinality estimation that is accurate, robust, efficient, and adaptive to memory budgets. XSEED starts from a very small kernel,...