2514 search results - page 145 / 503 » On the Computation of Approximations of Database Queries |
177
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CDB
2004
Springer
15 years 12 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
200
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
Traditional approaches for content-based image querying typically compute a single signature for each image based on color histograms, texture, wavelet transforms etc., and return...
186
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SODA
2004
ACM
15 years 7 months ago
2004
ACM
We introduce the Bloomier filter, a data structure for compactly encoding a function with static support in order to support approximate evaluation queries. Our construction gener...
188
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COMPGEOM
1995
ACM
15 years 10 months ago
1995
ACM
The range searching problem is a fundamental problem in computational geometry, with numerous important applications. Most research has focused on solving this problem exactly, bu...
168
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CVPR
2008
IEEE
16 years 8 months ago
2008
IEEE
The state of the art in visual object retrieval from large databases is achieved by systems that are inspired by text retrieval. A key component of these approaches is that local ...