2217 search results - page 267 / 444 » Rank-aware Query Optimization |
215
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VLDB
2008
ACM
16 years 6 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
252
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Regulations require businesses to archive many electronic documents for extended periods of time. Given the sheer volume of documents and the response time requirements, documents...
249
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
244
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
149
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WSDM
2009
ACM
16 years 1 months ago
2009
ACM
There has been considerable past work on efficiently computing top k objects by aggregating information from multiple ranked lists of these objects. An important instance of this...