## Principles of Artificial IntelligenceA classic introduction to artificial intelligence intended to bridge the gap between theory and practice, Principles of Artificial Intelligence describes fundamental AI ideas that underlie applications such as natural language processing, automatic programming, robotics, machine vision, automatic theorem proving, and intelligent data retrieval. Rather than focusing on the subject matter of the applications, the book is organized around general computational concepts involving the kinds of data structures used, the types of operations performed on the data structures, and the properties of the control strategies used. Principles of Artificial Intelligenceevolved from the author's courses and seminars at Stanford University and University of Massachusetts, Amherst, and is suitable for text use in a senior or graduate AI course, or for individual study. |

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Page 49

A paper by Davis and King ( 1977 ) thoroughly discusses production systems in

Al . Our notion of a production system

global database , the rules , or the control strategy . We introduce the idea of ...

A paper by Davis and King ( 1977 ) thoroughly discusses production systems in

Al . Our notion of a production system

**involves**no restrictions on the form of theglobal database , the rules , or the control strategy . We introduce the idea of ...

Page 178

THE ANSWER EXTRACTION PROCESS Answer extraction

refutation tree ( with NIL at the root ) to a proof tree with some statement at the

root that can be used as an answer . Since the conversion

THE ANSWER EXTRACTION PROCESS Answer extraction

**involves**converting arefutation tree ( with NIL at the root ) to a proof tree with some statement at the

root that can be used as an answer . Since the conversion

**involves**converting ...Page 419

A third use of parallelism

One could imagine a large community of more - or - less independent systems . (

Each of these systems could be a production system or a system of some

different ...

A third use of parallelism

**involves**an expansion of the ideas presented here .One could imagine a large community of more - or - less independent systems . (

Each of these systems could be a production system or a system of some

different ...

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### Contents

PROLOGUE | 1 |

PRODUCTION SYSTEMS AND AI | 17 |

SEARCH STRATEGIES FOR | 53 |

Copyright | |

8 other sections not shown

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### Common terms and phrases

achieve actions algorithm AND/OR graph answer applied arcs Artificial Intelligence assume attempt backtracking backward block called chapter clause CLEAR(C complete component condition consider consistent contains control strategy corresponding cost database deduction Deleters described direction discussed evaluation example expression F-rule fact Figure formula function given global database goal goal node goal stack goal wff HANDEMPTY heuristic important initial involves JOHN knowledge labeled language literals logic match methods move namely node Note obtained occur ONTABLE(A operation path possible precondition predicate calculus problem procedure production system proof prove quantified reasoning refutation represent representation resolution result robot rule satisfied selected sequence shown in Figure simple solution graph solve specify statement step STRIPS structure subgoal substitutions successors Suppose symbols termination theorem unifying unit University variables