The papers in this book are high quality refereed papers presented at ICAIA 2025, the third International Conference on Artificial Intelligence and Applications, held at Maharaja Surajmal Institute of Technology, New Delhi in March 2025. This book presents new and innovative developments and applications in machine learning, data mining, neural networks, computation optimisation technologies, followed by research applications in signals, language and classification, prediction, recommendations, and systems. This book is essential for researchers and practitioners in this field.