This book is designed for students, researchers, engineers, and technologists seeking a comprehensive understanding of Internet of Things (IoT)—its evolution, architecture, key technologies, and real-world applications. Whether the readers are an undergraduate exploring IoT fundamentals, a graduate student conducting research, or a professional developing IoT solutions, this book provides a structured and in-depth approach to mastering the subject.

This book presents selected papers from International Conference on Hybrid Intelligence: Theories and Applications (HITA 2025), held in Sri Sri University, Cuttack, Odisha, India during 20 – 21 November 2025. The topics covered in the book are fuzzy set theory, machine learning algorithms, machine learning models, deep learning, neural networks, natural language processing, swarm intelligence, metaheuristics, bio-inspired computing, and evolutionary intelligence.