2987 search results - page 467 / 598 » Multiobjective Query Optimization |
153
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ICDE
2011
IEEE
14 years 5 months ago
2011
IEEE
— Many data-intensive websites use databases that grow much faster than the rate that users access the data. Such growing datasets lead to ever-increasing space and performance o...
155
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ECIR
2011
Springer
14 years 5 months ago
2011
Springer
Abstract. Content-based image retrieval (CBIR) with global features is notoriously noisy, especially for image queries with low percentages of relevant images in a collection. More...
116
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ICDE
2012
IEEE
13 years 4 months ago
2012
IEEE
— We consider how to support a large number of users over a wide-area network whose interests are characterized by range top-k continuous queries. Given an object update, we need...
135
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JACM
2012
13 years 4 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...
158
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VLDB
2008
ACM
16 years 1 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 ...