1587 search results - page 105 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
136
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LREC
2010
15 years 7 months ago
2010
The focus of information retrieval evaluations, such as NIST's TREC evaluations (e.g. Voorhees 2003), is on evaluation of the information content of system responses. On the ...
185
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ECIR
2007
Springer
15 years 7 months ago
2007
Springer
We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are b...
177
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NIPS
2008
15 years 7 months ago
2008
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
172
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RIAO
2007
15 years 7 months ago
2007
One of the keys issues to content-based image retrieval is the similarity measurement of images. Images are represented as points in the space of low-level visual features and mos...
161
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CLEF
2010
Springer
15 years 7 months ago
2010
Springer
Abstract. This paper describes the participation of Dublin City University in the CriES (Cross-Lingual Expert Search) pilot challenge. To realize expert search, we combine traditio...