TY  - BOOK
AU  - Russell,Stuart J.
AU  - Norvig,Peter
TI  - Artificial intelligence : : a modern approach / 
T2  - Prentice Hall Series in Artificial Intelligence
SN  - 9780136042594
PY  - 2010///
CY  - Upper Saddle River, N. J.
PB  - Pearson
KW  - INTELIGENCIA ARTIFICIAL
KW  - ARTIFICIAL INTELLIGENCE
KW  - INTELLIGENT AGENTS
KW  - AGENTES INTELIGENTES
KW  - PROBLEM-SOLVING
N1  - CONTENIDO
I Artificial Intelligence
1 Introduction 1
1.1 What is AI? 1
1.2 The Foundations of Artificial Intelligence 5
1.3 The History of Artificial Intelligence 16
1.4 The State of the Art 28
2 Intelligent Agents 34
2.1 Agents and Environments 34
2.2 Good Behavior: The Concept of Rationality 36
2.3 The Nature of Environments 40
2.4 The Structure of Agents 46
II Problem-solving
3 Solving Problems by Searching 64
3.1 Problem-Solving Agents 64
3.2 Example Problems 69
3.3 Searching for Solutions 75
3.4 Uninformed Search Strategies 81
3.5 Informed (Heuristic) Search Strategies 92
3.6 Heuristic Functions 102
4 Beyond Classical Search 120
4.1 Local Search Algorithms and Optimization Problems 120
4.2 Local Search in Continuous Spaces 129
4.3 Searching with Nondeterministic Actions 133
4.4 Searching with Partial Observations 138
4.5 Online Search Agents and Unknown Environments 147
5 Adversarial Search 161
5.1 Games 161
5.2 Optimal Decisions in Games 163
5.3 Alpha-Beta Pruning 167
5.4 Imperfect Real-Time Decisions 171
5.5 Stochastic Games 177
5.6 Partially Observable Games 180
5.7 State-of-the-Art Game Programs 185
5.8 Alternative Approaches 187
6 Constraint Satisfaction Problems 202
6.1 Defining Constraint Satisfaction Problems 202
6.2 Constraint Propagation: Inference in CSPs 208
6.3 Backtracking Search for CSPs 214
6.4 Local Search for CSPs 220
6.5 The Structure of Problems 222
III Knowledge, Reasoning, and Planning
7 Logical Agents 234
7.1 Knowledge-Based Agents 235
7.2 The Wumpus World 236
7.3 Logic 240
7.4 Propositional Logic: A Very Simple Logic 243
7.5 Propositional Theorem Proving 249
7.6 Effective Propositional Model Checking 259
7.7 Agents Based on Propositional Logic 265
8 First-Order Logic 285
8.1 Representation Revisited 285
8.2 Syntax and Semantics of First-Order Logic 290
8.3 Using First-Order Logic 300
8.4 Knowledge Engineering in First-Order Logic 307
9 Inference in First-Order Logic 322
9.1 Propositional vs. First-Order Inference 322
9.2 Unification and Lifting 325
9.3 Forward Chaining 330
9.4 Backward Chaining 337
9.5 Resolution 345
10 Classical Planning 366
10.1 Definition of Classical Planning 366
10.2 Algorithms for Planning as State-Space Search 373
10.3 Planning Graphs 379
10.4 Other Classical Planning Approaches 387
10.5 Analysis of Planning Approaches 392
11 Planning and Acting in the Real World 401
11.1 Time, Schedules, and Resources 401
11.2 Hierarchical Planning 406
11.3 Planning and Acting in Nondeterministic Domains 415
11.4 Multiagent Planning 425
12 Knowledge Representation 437
12.1 Ontological Engineering 437
12.2 Categories and Objects 440
12.3 Events 446
12.4 Mental Events and Mental Objects 450
12.5 Reasoning Systems for Categories 453
12.6 Reasoning with Default Information 458
12.7 The Internet Shopping World 462
IV Uncertain Knowledge and Reasoning
13 Quantifying Uncertainty 480
13.1 Acting under Uncertainty 480
13.2 Basic Probability Notation 483
13.3 Inference Using Full Joint Distributions 490
13.4 Independence 494
13.5 Bayes´ Rule and Its Use 495
13.6 The Wumpus World Revisited 499
14 Probabilistic Reasoning 510
14.1 Representing Knowledge in an Uncertain Domain 510
14.2 The Semantics of Bayesian Networks 513
14.3 Efficient Representation of Conditional Distributions 518
14.4 Exact Inference in Bayesian Networks 522
14.5 Approximate Inference in Bayesian Networks 530
14.6 Relational and First-Order Probability Models 539
14.7 Other Approaches to Uncertain Reasoning 546
15 Probabilistic Reasoning over Time 566
15.1 Time and Uncertainty 566
15.2 Inference in Temporal Models 570
15.3 Hidden Markov Models 578
15.4 Kalman Filters 584
15.5 Dynamic Bayesian Networks 590
15.6 Keeping Track of Many Objects 599
16 Making Simple Decisions 610
16.1 Combining Beliefs and Desires under Uncertainty 610
16.2 The Basis of Utility Theory 611
16.3 Utility Functions 615
16.4 Multiattribute Utility Functions 622
16.5 Decision Networks 626
16.6 The Value of Information 628
16.7 Decision-Theoretic Expert Systems 633
17 Making Complex Decisions 645
17.1 Sequential Decision Problems 645
17.2 Value Iteration 652
17.3 Policy Iteration 656
17.4 Partially Observable MDPs 658
17.5 Decisions with Multiple Agents: Game Theory 666
17.6 Mechanism Design 679
V Learning
18 Learning from Examples 693
18.1 Forms of Learning 693
18.2 Supervised Learning 695
18.3 Learning Decision Trees 697
18.4 Evaluating and Choosing the Best Hypothesis 708
18.5 The Theory of Learning 713
18.6 Regression and Classification with Linear Models 717
18.7 Artificial Neural Networks 727
18.8 Nonparametric Models 737
18.9 Support Vector Machines 744
18.10 Ensemble Learning 748
18.11 Practical Machine Learning 753
19 Knowledge in Learning 768
19.1 A Logical Formulation of Learning 768
19.2 Knowledge in Learning 777
19.3 Explanation-Based Learning 780
19.4 Learning Using Relevance Information 784
19.5 Inductive Logic Programming 788
20 Learning Probabilistic Models 802
20.1 Statistical Learning 802
20.2 Learning with Complete Data 806
20.3 Learning with Hidden Variables: The EM Algorithm 816
21 Reinforcement Learning 830
21.1 Introduction 830
21.2 Passive Reinforcement Learning 832
21.3 Active Reinforcement Learning 839
21.4 Generalization in Reinforcement Learning 845
21.5 Policy Search 848
21.6 Applications of Reinforcement Learning 850
VI Communicating, Perceiving, and Acting
22 Natural Language Processing 860
22.1 Language Models 860
22.2 Text Classification 865
22.3 Information Retrieval 867
22.4 Information Extraction 873
23 Natural Language for Communication 888
23.1 Phrase Structure Grammars 888
23.2 Syntactic Analysis (Parsing) 892
23.3 Augmented Grammars and Semantic Interpretation 897
23.4 Machine Translation 907
23.5 Speech Recognition 912
24 Perception 928
24.1 Image Formation 929
24.2 Early Image-Processing Operations 935
24.3 Object Recognition by Appearance 942
24.4 Reconstructing the 3D World 947
24.5 Object Recognition from Structural Information 957
24.6 Using Vision 961
25 Robotics 971
25.1 Introduction 971
25.2 Robot Hardware 973
25.3 Robotic Perception 978
25.4 Planning to Move 986
25.5 Planning Uncertain Movements 993
25.6 Moving 997
25.7 Robotic Software Architectures 1003
25.8 Application Domains 1006
VII Conclusions
26 Philosophical Foundations 1020
26.1 Weak AI: Can Machines Act Intelligently? 1020
26.2 Strong AI: Can Machines Really Think? 1026
26.3 The Ethics and Risks of Developing Artificial Intelligence 1034
27 AI: The Present and Future 1044
27.1 Agent Components 1044
27.2 Agent Architectures 1047
27.3 Are We Going in the Right Direction? 1049
27.4 What If AI Does Succeed? 1051
B Notes on Languages and Algorithms 1060
B.1 Defining Languages with Backus-Naur Form (BNF) 1060
B.2 Describing Algorithms with Pseudocode 1061
B.3 Online Help 1062
Bibliography 1063
Index 1095

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