1025 search results - page 4 / 205 » A machine learning approach for improved BM25 retrieval |
CLEF
2006
Springer
13 years 10 months ago
2006
Springer
This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology t...
ECIR
2008
Springer
13 years 8 months ago
2008
Springer
This paper addresses the issue of devising a new document prior for the language modeling (LM) approach for Information Retrieval. The prior is based on term statistics, derived in...
TREC
2003
13 years 8 months ago
2003
Ranking functions are instrumental for the success of an information retrieval (search engine) system. However nearly all existing ranking functions are manually designed based on...
SIGIR
2009
ACM
14 years 1 months ago
2009
ACM
Most retrieval models estimate the relevance of each document to a query and rank the documents accordingly. However, such an approach ignores the uncertainty associated with the ...
CVPR
2004
IEEE
13 years 10 months ago
2004
IEEE
Relevance feedback approaches based on support vector machine (SVM) learning have been applied to significantly improve retrieval performance in content-based image retrieval (CBI...