This book presents high-quality research papers presented at 5th International Conference on Smart Data Intelligence (ICSMDI 2025) organized by Kongunadu College of Engineering and Technology at Trichy, Tamil Nadu, India, during January 2025. This book brings out the new advances and research results in the fields of algorithmic design, data analysis, and implementation on various real-time applications. It discusses many emerging related fields like big data, data science, artificial intelligence, machine learning, and deep learning which have deployed a paradigm shift in various data-driven approaches that tends to evolve new data-driven research opportunities in various influential domains like social networks, health care, information, and communication applications.