Foreword | |
Preface | |
Sources and Acknowledgments | |
Contributors | |
Learning, Goals, and Learning Goals | |
Why Goals? | |
An Everyday Example | |
Toward A Planful Model Of Learning | |
A Framework For Goal-Driven Learning | |
Major Issues In Goal-Driven Learning | |
What Is A Goal? | |
Types Of Goals | |
Task Goals | |
Learning Goals | |
Specifications, Policies, and Constraints | |
A Unifying View | |
Role Of Goals In Learning | |
Guiding the Performance Task | |
Guiding the Learning Task | |
Guiding Storage | |
Pragmatic Implications of Goal-Driven Learning | |
Summary | |
Acknowledgments | |
Notes | |
References | |
Current State of the Field | |
Planning to Learn | |
Introduction | |
Learning Requires Decision Making | |
Related Previous Research | |
Learning Goals | |
Planning To Learn | |
Learning Actions | |
Learning Resources | |
Conclusion: Decision Making In Learning | |
Note | |
References | |
Quantitative Results Concerning the Utility of Explanation-Based Learning | |
Introduction | |
Ebl And The Utility Problem | |
Initial Experiments With the Utility Problem | |
Will the Utility Problem Go Away? | |
Overview of Prodigy | |
The Prodigy EBL Component | |
Selecting What to Learn and Generating an Initial Explanation | |
Compression: Improving an Explanation | |
Evaluating the Utility of an Explanation | |
Performance Results | |
Evaluating the System's Components | |
Comparison with Macro-Operators | |
Critique of the Ebl Method | |
Multiple Types of Explanations? | |
Compression | |
Utility Evaluation | |
Critique Of The Experimental Methodology | |
Conclusion | |
Acknowledgment | |
Notes | |
References | |
The Use of Explicit Goals for Knowledge to Guide Inference and Learning | |
The Focus of Attention Problem | |
Inference and Desires for Knowledge | |
Do People Have Goals for Knowledge? | |
Computer Programs With Knowledge Goals: Two Case Studies | |
AQUA | |
IVY | |
A Theory of Knowledge Goals | |
Concept Specification | |
Task Specification | |
The Origins of Knowledge Goals | |
Using Knowledge Goals to Guide Processing | |
Theory of Inference Control | |
Mechanisms for Knowledge Goal Management | |
Retrieving Knowledge Goals | |
Knowledge Goals As A Theory Of Interestingness | |
Knowledge Planning: Learning Through the Satisfaction of Knowledge Goals | |
Comparison to Other Approaches | |
Conclusion: Automating Curiosity | |
Acknowledgments | |
Notes | |
References | |
Deriving Categories to Achieve Goals | |
Introduction | |
Overview | |
Exemplar Learning and Conceptual Combination as Modes of Category Acquisition | |
Structure of Goal-Derived Categories | |
Prototype Structure in Common Taxonomic Categories | |
Prototype Structure in Goal-Derived Categories | |
Stability of Prototype Structure in Common Taxonomic and Goal-Derived Categories | |
Determinants of Prototype Structure in Common Taxonomic and Goal-Derived Categories | |
Goal-Derived Categories in Planning | |
Frame Instantiation | |
Role of Goal-Derived Categories in Frame Instantiation | |
Factors That Guide the Selection of Instantiations | |
Deriving Ad Hoc Categories | |
Fields of Goal-Derived Categories | |
Roles of Common Taxonomic and Goal-Derived Categories in the Cognitive System | |
Time Course of Categorization: Primary vs. Secondary Categorizations | |
Lexicalization and the Time Course of Categorization | |
Goal-Derived Categories as the Interface between Event Frames and World Models | |
Conclusion | |
Acknowledgments | |
Notes | |
References | |
Harpoons and Long Sticks: The Interaction of Theory and Similarity in Rule Induction | |
Introduction | |
Rule Induction Paradigms | |
Simultaneous and Sequential Induction | |
Using Theories to Determine the Feature Space | |
Supervised Versus Unsupervised Learning | |
Study 1: Simultaneous Rule Induction | |
Goals of the Study | |
Method | |
Results | |
Discussion | |
Study 2: Sequential Rule Induction | |
Method | |
Results | |
Discussion | |
Models Of Theoretical And Empirical Learning | |
Previous Models | |
A Tightly Coupled Approach | |
Summary | |
Acknowledgments | |
Notes | |
References | |
Introspective Reasoning Using Meta-Explanations for Multistrategy Learning | |
Introduction | |
Overview of the Approach | |
Example: The Drug Bust | |
The Explanation-Based Understanding Task | |
Representation of Trace Meta-XPs | |
Representation of Introspective Meta-XPs | |
Successful Prediction | |
Expectation Failure | |
Retrieval Failure | |
Incorporation Failure | |
Associating Knowledge Goals and Learning Strategies with Introspective Meta-XPs | |
Mis-indexed Knowledge Structure | |
Novel Situation | |
Incorrect Background Knowledge | |
Combinations and Extensions | |
Related Work | |
Discussion and Future Research | |
Conclusions | |
Acknowledgments | |
Notes | |
References | |
Goal-Directed Learning: A Decision-Theoretic Model for Deciding What to Learn Next | |
Introduction | |
Utility Of Learning Goals | |
Performance Element | |
Utility Of Plans | |
An Example in the Ralph World | |
Related Work | |
Conclusions | |
References | |
Goal-Based Explanation Evaluation | |
Introduction | |
Overview | |
Previous Perspectives | |
Psychological Approaches | |
Philosophical Views | |
AI Approaches | |
A Theory of Goal-Based Evaluation | |
A Computer Model | |
ACCEPTER's Basic Algorithm | |
Representation of Explanations | |
Explanation Evaluation For Routine Understanding | |
Evaluation for Showing an Event's Reasonableness | |
Evaluation for Identifying Flaws in Prior Reasoning | |
Beyond Routine Understanding: Evaluation for More Specific Goals | |
Evaluation Dimensions for Prediction | |
Evaluation Dimensions for Repair | |
Evaluation Dimensions for Control | |
Evaluation Dimensions for Actors' Contributions to an Outcome | |
Summary of Evaluation Dimensions | |
The Value of Goal-Based Evaluation | |
Focusing Explanation toward Knowledge Gaps | |
Guiding Explanation Construction in Case-Based Explanation | |
Dealing with the Imperfect Theory Problem | |
Conclusion | |
Notes | |
References | |
Planning to Perceive | |
Why Gather Information? | |
How to Gather Information | |
Deciding to Gather Information | |
Using Heuristics | |
Related Work | |
Discussion | |
Acknowledgments | |
Notes | |
References | |
Planning and Learning in PRODIGY: Overview of an Integrated Architecture | |
Introduction | |
The Prodigy Architecture | |
The Problem Solver | |
Knowledge Representation | |
Problem Definition and Problem Solving | |
Control Rules | |
The Learning Modules | |
Dimensions Of The Architecture | |
Comparison With Other Architectures | |
Acknowledgments | |
References | |
A Learning Model for the Selection of Problem-Solving Strategies in Continuous Physical Systems | |
Introduction | |
IOPS Model | |
Adaptation and Learning in IOPS Model | |
System Characterization | |
Adaptation within IOPS Model | |
Learning within the IOPS Model | |
An IOPS-Based Implementation | |
Automated Robotic Assembly: An Experimental Domain | |
An IOPS-Based Scheduler for Assembly Robots | |
Scheduling as Selecting Planned Actions | |
Scheduling as Patching up Subplans for Subassemblies | |
Adaptation and Learning in the lOPS-Scheduler | |
Discussion and Conclusion | |
Notes | |
References | |
Explicitly Biased Generalization | |
Introduction | |
The Select-Inhibit Method of Concept Learning | |
Generalization Heuristics For Biasing Induction | |
Axioms | |
General Definitions | |
The Irrelevance Generalization Heuristic | |
The Cohesion Generalization Heuristic | |
The Independence Generalization Heuristic | |
Cautious and Uncautious Heuristic Modes | |
Bias and Active Learning, Analytical Learning, Error Resolution | |
Active Learning | |
Analytical Learning | |
Error Resolution | |
Partial Program Trace | |
Results | |
Related Work On Bias | |
Future Work | |
Summary | |
Consistency Requirement And Definition Of Consistency-Preserving | |
Irrelevance Heuristic | |
Irrelevance Heuristic Condition | |
Irrelevance Generalization Operator | |
Consistency Theorem for Irrelevance Heuristic | |
Independence Heuristic | |
Indepencence Condition | |
Independence Generalization Operator | |
Consistency Theorem for Independence Heuristic | |
Acknowledgments | |
Notes | |
References | |
Three Levels of Goal Orientation in Learning | |
Method | |
Participants | |
Materials | |
Procedure | |
Protocol Analysis | |
Results | |
Differences in Levels of Goal Orientation | |
Differences among Goal Orientation Groups: Goal Cue Selections and Performance | |
Differences among Goal Orientation Groups: Approaches to Learning and Sensitivity to Evaluat... | |
Background Factors and Goal Orientation | |
Discussion | |
Acknowledgments | |
Note | |
References | |
Characterizing the Application of Computer Simulations in Education: Instructional Criteria | |
Introduction | |
General Classification Of Models | |
Introduction | |
Quantitative Versus Qualitative Models | |
Quantitative Models | |
Qualitative Models | |
Interaction and Scenarios | |
Learning Goals for Simulations | |
Introduction | |
The Concept of a "Learning Goal" | |
A Classification of Simulation Learning Goals | |
Learning about Knowledge Acquisition | |
Learning Processes In Exploratory Learning Environments | |
Learner Activity and Simulations | |
Notes | |
References | |
CURRENT RESEARCH AND RECENT DIRECTIONS | |
Goal-Driven Learning: Fundamental Issues and Symposium Report | |
Introduction | |
What Is Goal-Driven Learning? | |
Effects of Goal-Driven Learning on Human and Machine Learning | |
Issues In Goal-Driven Learning | |
What Are the Types of Learning Goals? | |
How Do Learning Goals Arise? | |
How Do Learning Goals Affect the Learning Process? | |
How Do Different Types of Learning Goals Relate to Each Other? | |
How Are Learning Goals Represented? | |
The Properties Of Goal-Driven Learners | |
The Relationship Between Goal-Driven And Non-Goal-Driven Learning | |
Conclusions | |
Acknowledgments | |
Notes | |
References | |
Storage Side Effects: Studying Processing to Understand Learning | |
Intentions And Information Storage | |
The Extent of Storage Side Effects | |
The Ubiquity of Goal-Driven Storage | |
Understanding Goal-Driven Storage Through Analysis Of Goal-Driven Processing | |
Processing and Storage in Classic Problem Solving | |
Processing and Storage in Implicit Orientation | |
Conclusion | |
Acknowledgments | |
References | |
Goal-Driven Learning in Multistrategy Reasoning and Learning Systems | |
Introduction | |
The Nature Of Goal-Driven Learning | |
An Architecture for Introspective Multistrategy Learning | |
A Taxonomy of Reasoning Failures | |
Two Case Studies | |
Meta-TS | |
Meta-AQUA | |
Conclusions | |
Acknowledgments | |
Notes | |
References | |
Inference to the Best Plan: A Coherence Theory of Decision | |
Howard's Dilemma | |
Principles Of Deliberative Coherence | |
Computational Implementation | |
Comparison With Classical Decision Theory | |
Conclusion: Goals And Learning | |
Acknowledgments | |
References | |
Toward Goal-Driven Integration of Explanation and Action | |
Introduction | |
Isolated versus Interactive Explanation | |
Chapter Overview | |
Real World Explanation: An Everyday Example | |
Explanations and Explanation Generation | |
The Need for Interaction with the Environment to Support Explanation | |
The Need for Incremental Interaction between the Explanatory Process and Explainer Goals | |
Issues in Building A Model of Goal-Driven Interactive Explanation | |
Content Theories for GDIE | |
A Simple Illustration | |
A Broader Perspective | |
Progress Toward The Model | |
ACCEPTER | |
Deciding When to Explain | |
Formulating Knowledge Goals to Guide Search for Explanations | |
Extending the Model | |
Relationship to Other Approaches | |
Conclusions | |
Acknowledgments | |
Notes | |
References | |
Learning as Goal-Driven Inference | |
Inferential Theory of Learning | |
Learning As Goal-Guided Inference | |
Learning Goals | |
Goal Dependency Networks | |
Knowledge Transmutations: Inferential Primitives for Learning | |
Toward A Computational Model of Goal-Driven Machine Learning | |
Index | |
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