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内容説明
This volume constitutes the refereed proceedings of the 4th International Workshop on Hybrid Artificial Intelligence Systems， HAIS 2009， held in Salamanca， Spain， in June 2009. The 85 papers presented， were carefully reviewed and selected from 206 submissions. The topics covered are agents and multi agents systems， HAIS applications， cluster analysis， data mining and knowledge discovery， evolutionary computation， learning algorithms， real world HAIS applications and data uncertainty， hybrid artificial intelligence in bioinformatics， evolutionary multiobjective machine learning， hybrid reasoning and coordination methods on multi-agent systems， methods of classifiers fusion， knowledge extraction based on evolutionary learning， hybrid systems based on bioinspired algorithms and argumentation methods， hybrid evolutionry intelligence in financial engineering.