This proceedings compiles the cutting-edge research and innovative solutions presented at the 4th International Conference on Computational Intelligence & Internet of Things (ICCIIoT 2023), held from December 4th to 6th, 2023, at the Faculty of Information & Communication Technology, University of Malta, Msida, Malta.

This volume explores the integration of computational intelligence with the Internet of Things (IoT) to tackle complex global challenges. The book highlights mathematical algorithms essential for enhancing smart technologies, such as machine learning, optimization, data mining, and artificial intelligence, focusing on their applications in areas like smart cities, healthcare, autonomous systems, and IoT security.

With a diverse range of contributions, this collection serves as an invaluable resource for researchers, practitioners, and students interested in the intersection of mathematics, computational intelligence, and IoT. The advancements discussed in this book offer vital insights into the future of intelligent systems and their potential to drive sustainable innovation and problem-solving in the digital age.