D. Húsek, V. Snášel, S.S.J. Owais, and P. Krömer (Czech Republic)
genetics algorithm, information retrieval, Boolean query, genetic programming.
Most of information retrieval systems depend on Boolean queries. The performance of an information retrieval sys tem is usually measured in terms of two different criteria, precision and recall. This way, the optimization of any of its components is a clear example of a multiobjective problem. However, although evolutionary algorithms have been widely applied in the information retrieval area, in all of these applications both criteria have been combined in a single scalar fitness function by means of a weighting scheme. In this paper, we deal with using of Genetic algo rithms in Information retrieval specially in optimizing of a Boolean query.
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