Inproceedings,

Evolutionary Learning of Boolean Queries by Multiobjective Genetic Programming

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Parallel Problem Solving from Nature - PPSN VII, 2439, page 710--719. Granada, Spain, Springer-Verlag, (7-11 September 2002)

Abstract

The performance of an information retrieval system is usually measured in terms of two different criteria, precision and recall. This way, the optimisation 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 will tackle with a usual information retrieval problem, the automatic derivation of Boolean queries, by incorporating a well known Pareto-based multiobjective evolutionary approach, MOGA, into a previous proposal of a genetic programming technique for this task.

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