3891 search results - page 116 / 779 » Query Models |
122
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SIGIR
2010
ACM
15 years 6 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 ...
106
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JIIS
2006
15 years 2 months ago
2006
For some years, data summarization techniques have been developed to handle the growth of databases. However these techniques are usually not provided with tools for enduserstoeffi...
130
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GIS
2002
ACM
15 years 2 months ago
2002
ACM
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
104
Voted
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
We investigate the problem of refining SQL queries to satisfy cardinality constraints on the query result. This has applications to the many/few answers problems often faced by da...
125
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SIGIR
2003
ACM
15 years 7 months ago
2003
ACM
In this poster,we incorporate user query history, as context information, to improve the retrieval performance in interactive retrieval. Experiments using the TREC data show that ...