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 197
For example , the fact expression : ( u ) ( Vv ) { Q ( v , u ) ^ ~ [ R ( v ) V P ( v ) ] ^ S (
u , v ) } } is converted to Q ( v , A ) ^ { [ ~ R ( v ) 1 ~ P ( v ) ] V ~ S ( A , v ) ] } .
Variables can be renamed so that the same variable does not occur in different (
main ) ...
For example , the fact expression : ( u ) ( Vv ) { Q ( v , u ) ^ ~ [ R ( v ) V P ( v ) ] ^ S (
u , v ) } } is converted to Q ( v , A ) ^ { [ ~ R ( v ) 1 ~ P ( v ) ] V ~ S ( A , v ) ] } .
Variables can be renamed so that the same variable does not occur in different (
main ) ...
Page 215
Our explanation of the appropriateness of this operation is dual to the
explanation for applying an F - rule to a fact AND / OR graph . The assertional
rule WL can be negated and added ( disjunctively ) to the goal wff . The negated
form is ( W 1 ...
Our explanation of the appropriateness of this operation is dual to the
explanation for applying an F - rule to a fact AND / OR graph . The assertional
rule WL can be negated and added ( disjunctively ) to the goal wff . The negated
form is ( W 1 ...
Page 257
We note that pruning the AND / OR graphs by detecting inconsistent substitutions
may be impossible in systems that use both B - rules and F - rules because , for
these , both the fact and goal graphs change dynamically , making it impossible ...
We note that pruning the AND / OR graphs by detecting inconsistent substitutions
may be impossible in systems that use both B - rules and F - rules because , for
these , both the fact and goal graphs change dynamically , making it impossible ...
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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 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 search tree 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 |