9683 search results - page 109 / 1937 » Query performance prediction |
132
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CIKM
2008
Springer
15 years 4 months ago
2008
Springer
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
108
Voted
ICMCS
2006
IEEE
15 years 8 months ago
2006
IEEE
In the latest video coding standard H.264, intra frame prediction is employed to reduce the blocks’ spatial correlation. In this paper, a new algorithm is proposed to improve th...
142
Voted
ECIR
2009
Springer
15 years 3 days ago
2009
Springer
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
145
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IEEEICCI
2009
IEEE
15 years 1 days ago
2009
IEEE
Abstract-In this paper, we construct a neural-inspired computational model based on the representational capabilities of receptive fields. The proposed model, known as Shape Encodi...
119
Voted
WSDM
2010
ACM
15 years 11 months ago
2010
ACM
Query reformulation techniques based on query logs have been studied as a method of capturing user intent and improving retrieval effectiveness. The evaluation of these techniques...