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» A formal study of information retrieval heuristics
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SIGIR
2004
ACM
13 years 10 months ago
A formal study of information retrieval heuristics
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...
Hui Fang, Tao Tao, ChengXiang Zhai
IR
2007
13 years 5 months ago
An empirical study of tokenization strategies for biomedical information retrieval
Due to the great variation of biological names in biomedical text, appropriate tokenization is an important preprocessing step for biomedical information retrieval. Despite its im...
Jing Jiang, ChengXiang Zhai
IWPC
2007
IEEE
13 years 11 months ago
Combining Formal Concept Analysis with Information Retrieval for Concept Location in Source Code
The paper addresses the problem of concept location in source code by presenting an approach which combines Formal Concept Analysis (FCA) and Latent Semantic Indexing (LSI). In th...
Denys Poshyvanyk, Andrian Marcus
SIGDOC
1997
ACM
13 years 9 months ago
Usability Studies of WWW Sites: Heuristic Evaluation vs. Laboratory Testing
This paper describes the strengths and weaknesses of two usability assessment methods frequently applied to web sites. It uses case histories of WWW usability studies conducted by...
Laurie Kantner, Stephanie Rosenbaum
CIKM
2009
Springer
13 years 9 months ago
A comparative study of methods for estimating query language models with pseudo feedback
We systematically compare five representative state-of-theart methods for estimating query language models with pseudo feedback in ad hoc information retrieval, including two var...
Yuanhua Lv, ChengXiang Zhai