339 search results - page 52 / 68 » Improved Query Performance with Variant Indexes |
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
PVLDB
2010
14 years 8 months ago
2010
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
With the explosion in the amount of semi-structured data users access and store in personal information management systems, there is a need for complex search tools to retrieve of...
CLEF
2006
Springer
15 years 1 months ago
2006
Springer
In this report we describe the approach of the University of Twente to the 2006 GeoCLEF task. It is based on retrieval by content and the subsequent filtering by geographical rele...
CLEF
2006
Springer
14 years 12 months ago
2006
Springer
This paper presents the second participation of the University of Ottawa group in the Cross-Language Speech Retrieval (CL-SR) task at CLEF 2006. We present the results of the submi...