641 search results - page 8 / 129 » Studying Query Expansion Effectiveness |
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Pseudo-feedback-based automatic query expansion yields effective retrieval performance on average, but results in performance inferior to that of using the original query for many...
CIKM
2001
Springer
14 years 4 days ago
2001
Springer
In this paper we are mainly concerned with discussion of a formal model, based on the basic concept of divergence from information theory, for automatic query expansion. The basic...
ECIR
2008
Springer
13 years 9 months ago
2008
Springer
In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. ...
IRAL
2003
ACM
14 years 27 days ago
2003
ACM
Query expansion by pseudo-relevance feedback is a well-established technique in both mono- and cross- lingual information retrieval, enriching and disambiguating the typically ter...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
Dictionary-based approaches to query translation have been widely used in Cross-Language Information Retrieval (CLIR) experiments. Using these approaches, translation has been not...