121 search results - page 5 / 25 » Experiment on Combining Sources of Evidence for Passage Retr... |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Although many variants of language models have been proposed for information retrieval, there are two related retrieval heuristics remaining “external” to the language modelin...
SIGIR
1998
ACM
14 years 7 days ago
1998
ACM
Previous research has shown that hypertext links may be a useful source of evidence for document contents and relevance, but these evidence are rather difficult to represent and co...
IR
2006
13 years 8 months ago
2006
The combination of evidence can increase retrieval effectiveness. In this paper, we investigate the effectiveness of a decision mechanism for the selective combination of evidence...
ICDM
2007
IEEE
13 years 12 months ago
2007
IEEE
In this paper, we present Concept Chain Queries (CCQ), a special case of text mining in document collections focusing on detecting links between two topics across text documents. ...
JASIS
2002
13 years 7 months ago
2002
In this paper we report on a series of experiments designed to investigate the combination of term and document weighting functions in Information Retrieval. We describe a series ...