494 search results - page 4 / 99 » Improving Automatic Query Expansion |
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. ...
DASFAA
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
ICEIS
2009
IEEE
14 years 2 months ago
2009
IEEE
In an information retrieval system, a thesaurus can be used for query expansion, i.e. adding words to queries in order to improve recall. We propose a semi-automatic and interactiv...
CIARP
2004
Springer
14 years 1 months ago
2004
Springer
MEDLINE is a very large database of abstracts of research papers in medical domain, maintained by the National Library of Medicine. Documents in MEDLINE are supplied with manually ...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
Most standard information retrieval models use a single source of information (e.g., the retrieval corpus) for query formulation tasks such as term and phrase weighting and query ...