424 search results - page 42 / 85 » On performance of topical opinion retrieval |
SIGIR
2003
ACM
14 years 26 days ago
2003
ACM
The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
Pseudo-relevance feedback, or query expansion, has been shown to improve retrieval performance in the adhoc retrieval task. In such a scenario, a few top-ranked documents are assu...
CLEF
2008
Springer
13 years 9 months ago
2008
Springer
The wikipediaMM task provides a testbed for the system-oriented evaluation of ad-hoc retrieval from a collection of Wikipedia images. It became a part of the ImageCLEF evaluation ...
CVPR
2000
IEEE
14 years 9 months ago
2000
IEEE
Combining learning with vision techniques in interactive image retrieval has been an active research topic during the past few years. However, existing learning techniques either ...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
This demonstration presents RMFinder (Related Messages Finder), a system that retains the simplicity and efficiency of topic-based P2P pub-sub, while providing a richer service wh...