Communications in Computer and Information Science

This book constitutes the refereed proceedings of the Second International Symposium on Systems Modelling and Simulation, SMS 2026, held in Johor, Malaysia, during May 4–5, 2026, The 23 full papers presented in this volume were carefully reviewed and selected from 53 submissions. They are grouped into the following topics: Emerging Trends in Engineering and Computing, Modelling and Simulation for Digital Transformation, and Intelligent System and Applications.