This volume constitutes the refereed proceedings of the 24th International Symposium on Intelligent Data Analysis, IDA 2026, held in Leiden, The Netherlands, during April 22–24, 2026.The 33 full papers included in the proceedings were carefully reviewed and selected from 86 submissions. They were organized in topical sections as follows: Foundations of AI/ML; XAI; Representation Learning; Data Mining; and Temporal Data.

This book contains a selection of the best papers of the 32nd Benelux Conference on Artificial Intelligence, BNAIC/Benelearn 2020, held in Leiden, The Netherlands, in November 2020. Due to the COVID-19 pandemic the conference was held online.The 12 papers presented in this volume were carefully reviewed and selected from 41 regular submissions. They address various aspects of artificial intelligence such as natural language processing, agent technology, game theory, problem solving...