1025 search results - page 139 / 205 » A machine learning approach for improved BM25 retrieval |
175
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AIRWEB
2009
Springer
16 years 23 days ago
2009
Springer
Web spamming techniques aim to achieve undeserved rankings in search results. Research has been widely conducted on identifying such spam and neutralizing its influence. However,...
159
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SIGIR
2009
ACM
16 years 21 days ago
2009
ACM
Long queries frequently contain many extraneous terms that hinder retrieval of relevant documents. We present techniques to reduce long queries to more effective shorter ones tha...
175
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ECML
2001
Springer
15 years 10 months ago
2001
Springer
In many applications, modelling techniques are necessary which take into account the inherent variability of given data. In this paper, we present an approach to model class speci...
158
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MLDM
2007
Springer
16 years 9 days ago
2007
Springer
Transduction is an inference mechanism “from particular to particular”. Its application to classification tasks implies the use of both labeled (training) data and unlabeled (...
176
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ACL
2009
15 years 4 months ago
2009
Query segmentation is essential to query processing. It aims to tokenize query words into several semantic segments and help the search engine to improve the precision of retrieva...