Intelligent Problem Solving. Methodologies and Approaches : 13th International Conference on Industrial and Engineering Applications of Artificial Intelligence and Expert Systems IEA AIE 2000 New Orleans Louisiana USA June 19–22 2000 Proceedings This book constitues the refereed proceedings of the 13th International Conference on Industrial and Engineering Application of Artificial Intelligence and Export Systems IEA AIE 2000 held in New Orleans Lousiana USA in June 2000.The 90 revised full papers presented were carefully reviewed and selected from more than 120 submissions. Among the topics covered are intelligent agents distributed problem solving artificial neural networks intelligent data mining diagnosis export systems intelligent information systems genetic algorithms fuzzy logic design natural language processing pattern recognition and combinatorial optimization