This volume presents cutting-edge research in intelligent data analysis from the 18th International Conference on Intelligent Data Analysis (IDA 2020). The conference aimed to foster novel ideas and promote conceptual advancements in the field, valuing strong theoretical foundations alongside empirical evidence. The 45 selected papers cover a wide range of topics within intelligent data analysis, reflecting the diverse and evolving nature of the discipline. This collection serves as a testament to the ongoing pursuit of innovative solutions for extracting meaningful insights from complex data.

This collection represents the proceedings of the 18th International Conference on Intelligent Data Analysis, highlighting the latest advancements and theoretical contributions in the field. The papers were selected based on their novelty and potential impact, with a focus on promoting innovative ideas. The conference's emphasis on conceptual advancements suggests a collection that will appeal to researchers and practitioners seeking to push the boundaries of intelligent data analysis. The inclusion of 45 carefully reviewed papers indicates a comprehensive overview of current research trends.