For one or two-semester, undergraduate or graduate-level courses in Artificial Intelligence。 The long-anticipated revision of this best-selling text offers the most comprehensive, up-to-date introduction to the theory and practice of artificial intelligence。 *NEW-Nontechnical learning material-Accompanies each part of the book。 *NEW-The Internet as a sample application for intelligent systems-Added in several places including logical agents, planning, and natural language。 *NEW-Increased coverage of material - Includes expanded coverage of: default reasoning and truth maintenance systems, including multi-agent/distributed AI and game theory; probabilistic approaches to learning including EM; more detailed descriptions of probabilistic inference algorithms。 *NEW-Updated and expanded exercises-75% of the exercises are revised, with 100 new exercises。 *NEW-On-line Java software。 *Makes it easy for students to do projects on the web using intelligent agents。 *A unified, agent-based approach to AI-Organizes the material around the task of building intelligent agents。 *Comprehensive, up-to-date coverage-Includes a unified view of the field organized around the rational decision making pa