Performance Analysis of Secure Hybrid Approach for Sharing Data Securely in Vehicular Adhoc Network -- Particle swarm optimization and computational algorithm based weighted fuzzy time series forecasting method -- Assessing Usability of Mobile Applications Developed for Autistic Users through Heuristic and Semiotic Evaluation -- Blockchain Implementations and Use Cases for Inhibiting COVID-19 Pandemic -- Ant Colony Optimization to Solve the Rescue Problem as a Vehicle Routing Problem with Hard Time Windows -- Applying Opinion Leaders to Investigate the Best-of-n Decision Problem in Decentralized Systems -- Pathfinding in the Paparazzi Problem Comparing Different Distance Measures -- Empirical Evaluation of Motion Cue for Passive-Blind Video Tamper Detection Using Optical Flow Technique -- Quantifying Changes in Sundarbans Mangrove Forest Through GEE Cloud Computing Approach -- Metaheuristics and Hyper-Heuristics based on Evolutionary Algorithms for Software Integration Testing.

This book gathers outstanding research papers presented at the 5th International Joint Conference on Advances in Computational Intelligence (IJCACI 2021), held online during October 23-24, 2021. IJCACI 2021 is jointly organized by Jahangirnagar University (JU), Bangladesh, and South Asian University (SAU), India. The book presents the novel contributions in areas of computational intelligence and it serves as a reference material for advance research. The topics covered are collective intelligence, soft computing, optimization, cloud computing, machine learning, intelligent software, robotics, data science, data security, big data analytics, and signal and natural language processing.