1160 search results - page 165 / 232 » Query Processing and Optimization for Pictorial Query Trees |
BTW
2003
Springer
15 years 3 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
SIGIR
2010
ACM
15 years 2 months ago
2010
ACM
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
In this paper, an optimal relevance algorithm is proposed, which adapts the response of a content-based image retrieval (CBIR) system to the user's information needs. In part...
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
To use their pool of resources efficiently, distributed stream-processing systems push query operators to nodes within the network. Currently, these operators, ranging from simple...
ECCV
2004
Springer
15 years 12 months ago
2004
Springer
We propose a method for measuring the quality of a grouping result, based on the following observation: a better grouping result provides more information about the true, unknown g...