9683 search results - page 109 / 1937 » Query performance prediction |
CIKM
2008
Springer
13 years 11 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...
ICMCS
2006
IEEE
14 years 3 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...
ECIR
2009
Springer
13 years 7 months 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...
IEEEICCI
2009
IEEE
13 years 7 months 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...
WSDM
2010
ACM
14 years 6 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...