822 search results - page 73 / 165 » A proposal for chemical information retrieval evaluation |
WWW
2004
ACM
14 years 9 months ago
2004
ACM
Organizing Web search results into a hierarchy of topics and subtopics facilitates browsing the collection and locating results of interest. In this paper, we propose a new hierar...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
Relevance feedback has been demonstrated to be an effective strategy for improving retrieval accuracy. The existing relevance feedback algorithms based on language models and vect...
SIGIR
2010
ACM
14 years 27 days ago
2010
ACM
Evaluation metrics play a critical role both in the context of comparative evaluation of the performance of retrieval systems and in the context of learning-to-rank (LTR) as objec...
JIS
2006
13 years 9 months ago
2006
Query expansion terms are often used to enhance original query formulations in document retrieval. Such terms are usually selected from the entire documents or from windows or pas...
ECIR
2011
Springer
13 years 16 days ago
2011
Springer
Abstract. As retrieval systems become more complex, learning to rank approaches are being developed to automatically tune their parameters. Using online learning to rank approaches...