Advances in Computational Collective Intelligence

This two-volume set CCIS 3043-3044 constitutes the refereed proceedings of the 18th International Conference on Computational Collective Intelligence, ICCCI 2026, held in Heraklion, Crete, Greece, during September 23-25, 2026.The 74 full papers included in this book were carefully reviewed and selected from 297 submissions. They were organized into the following topical sections:Part I: Collective Intelligence and Collective Decision-Making; Collective Intelligence in Deep Learning and Neural Architectures; Natural Language Processing and Speech Systems; Cybersecurity, IoT and Trustworthy Systems; and Collective Intelligence in Medical Imaging and Healthcare Applications.Part II: Collective Intelligence in Optimization and Swarm Systems; Collective Intelligence in Explainable AI; Collective Intelligence in Advanced Computing; Collective Intelligence in Human-Centered AI; and Applied Machine learning.