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ECIR
2010
Springer
13 years 9 months ago
Query Performance Prediction: Evaluation Contrasted with Effectiveness
Query performance predictors are commonly evaluated by reporting correlation coefficients to denote how well the methods perform at predicting the retrieval performance of a set of...
Claudia Hauff, Leif Azzopardi, Djoerd Hiemstra, Fr...
CLEF
2006
Springer
13 years 11 months ago
SINAI at CLEF 2006 Ad Hoc Robust Multilingual Track: Query Expansion Using the Google Search Engine
This year, we have participated on Ad-Hoc Robust Multilingual track with the aim to evaluate two issues of CLIR systems. Firstly, this paper describes the method followed for quer...
Fernando Martínez Santiago, Arturo Montejo ...
CIKM
2010
Springer
13 years 6 months ago
Fast query expansion using approximations of relevance models
Pseudo-relevance feedback (PRF) improves search quality by expanding the query using terms from high-ranking documents from an initial retrieval. Although PRF can often result in ...
Marc-Allen Cartright, James Allan, Victor Lavrenko...
PRICAI
2010
Springer
13 years 6 months ago
Visual Query Expansion via Incremental Hypernetwork Models of Image and Text
Abstract. Humans can associate vision and language modalities and thus generate mental imagery, i.e. visual images, from linguistic input in an environment of unlimited inflowing i...
Min-Oh Heo, Myunggu Kang, Byoung-Tak Zhang
BMCBI
2010
110views more  BMCBI 2010»
13 years 7 months ago
Concept-based query expansion for retrieving gene related publications from MEDLINE
Background: Advances in biotechnology and in high-throughput methods for gene analysis have contributed to an exponential increase in the number of scientific publications in thes...
Sérgio Matos, Joel Arrais, João Maia...