1587 search results - page 74 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
153
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Inverse document frequency (IDF) is one of the most useful and widely used concepts in information retrieval. There have been various attempts to provide theoretical justification...
136
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WWW
2006
ACM
16 years 6 months ago
2006
ACM
This paper presents a method for finding a specification page on the web for a given object (e.g., "Titanic") and its class label (e.g., "film"). A specificati...
151
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SIGIR
2006
ACM
16 years 4 days ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
204
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CIKM
2005
Springer
15 years 11 months ago
2005
Springer
There has recently been a significant increase in the number of community-based question and answer services on the Web where people answer other peoples’ questions. These serv...
166
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CLEF
2000
Springer
15 years 10 months ago
2000
Springer
The application of nlp techniques to improve the results of information retrieval is still considered as a controversial issue, whereas nlp techniques in cross-language informatio...