**The most comprehensive, up-to-date introduction to the theory and practice of artificial intelligence* * The long-anticipated revision of*** Artificial Intelligence: A Modern Approach ** *explores the full breadth and depth of the field of artificial intelligence (AI). The* *4th Edition** brings readers up to date on the latest technologies, presents concepts in a more unified manner, and offers new or expanded coverage of machine learning, deep learning, transfer learning, multiagent systems, robotics, natural language processing, causality, probabilistic programming, privacy, fairness, and safe AI.