424 search results - page 55 / 85 » On performance of topical opinion retrieval |
CLEF
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we propose a pseudo-relevance feedback method to deal with the photographic retrieval and medical retrieval tasks of ImageCLEF 2007. The aim of our participation to...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Dwell time as a user behavior has been found in previous studies to be an unreliable predictor of document usefulness, with contextual factors such as the user’s task needing to...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Image annotation has been an active research topic in recent years due to its potentially large impact on both image understanding and Web image search. In this paper, we target a...
TREC
2004
13 years 9 months ago
2004
Our experiments in the Robust track this year focused on predicting query difficulty and using this prediction for improving information retrieval. We developed two prediction alg...
TREC
2001
13 years 9 months ago
2001
We assess a family of ranking mechanisms for search engines based on linkage analysis using a carefully engineered subset of the World Wide Web, WT10g (Bailey, Craswell and Hawking...