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 Intelligence evolved 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 27
PROBLEMS OF REPRESENTATION Efficient problem solution requires more than an efficient control strategy . It requires selecting good representations for problem states , moves , and goal conditions . The representation of a problem has a ...
PROBLEMS OF REPRESENTATION Efficient problem solution requires more than an efficient control strategy . It requires selecting good representations for problem states , moves , and goal conditions . The representation of a problem has a ...
Page 34
There are occasions , however , when it is more efficient to solve a problem in one direction rather than the other . Suppose , for example , that there were a large number of explicit goal states and one initial state .
There are occasions , however , when it is more efficient to solve a problem in one direction rather than the other . Suppose , for example , that there were a large number of explicit goal states and one initial state .
Page 80
Of course , merely because one algorithm expands fewer nodes than another does not imply that it is more efficient . The more informed algorithm may indeed have to make more costly computations , which would destroy efficiency .
Of course , merely because one algorithm expands fewer nodes than another does not imply that it is more efficient . The more informed algorithm may indeed have to make more costly computations , which would destroy efficiency .
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Contents
PROLOGUE | 1 |
PRODUCTION Systems and AI | 17 |
SEARCH Strategies FOR | 53 |
Copyright | |
10 other sections not shown
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Common terms and phrases
achieve actions algorithm AND/OR graph answer applied arcs assertions assume attempt backtracking backward block called chapter clause CLEAR(C complete component condition consider consistent contains control strategy corresponding cost database Deleters described direction discussed efficient evaluation example expanded expression F-rule fact Figure formula function given global database goal goal node goal stack goal wff HANDEMPTY heuristic important initial Intelligence involves JOHN knowledge labeled language literals 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 unifying unit universal variables
Bibliographic information
| Title | Principles of Artificial Intelligence |
| Author | Nils J. Nilsson |
| Edition | illustrated, reprint |
| Publisher | Morgan Kaufmann Publishers, 1986 |
| Original from | the University of Virginia |
| Digitized | 27 Jul 2009 |
| ISBN | 0934613109, 9780934613101 |
| Length | 476 pages |
| Subjects | › Reference / General |
| Export Citation | BiBTeX EndNote RefMan |