This book features research papers presented at the Fourth International Conference on Innovations in Data Analytics (ICIDA 2025), held at Eminent College of Management and Technology (ECMT), West Bengal, India, during 5–6 December 2025. The book presents original research work in the areas of computational intelligence, advance computing, network security and telecommunication, data science and data analytics, and pattern recognition. The book is beneficial for readers from both academia and industry. The book is presented in four volumes.