Hybrid Artificial Intelligent Systems

This book constitutes the refereed proceedings of the 18th International Conference on Hybrid Artificial Intelligent Systems,  HAIS 2023, held in Salamanca, Spain, during September 5-7, 2023.The 65 full papers included in this book were carefully reviewed and selected from 120 submissions. They were organized in topical sections as follows: ?Anomaly and Fault Detection, Data Mining and Decision Support Systems, Deep Learning, Evolutionary Computation and Optimization, HAIS Applications,  Image and Speech Signal Processing, Agents and Multiagents, Biomedical Applicatons.