flex Expert System Toolkit - LPIS

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Appendix C - KSL Keyword Glossary 216 relation remember remove KSL Context Sentence Description Define a relationship between objects. Used with if Example relation father( Pop, Child ) if parent( Pop, Child ) and male( Pop ) . KSL Context Formula Description Record new assertions in either the positive (facts) or negative (exceptions) database. Used with that Example if ... then remember that danger_level(red) KSL Context Description Used with Example Formula Remove elements from a set. from remove cod from the entree of meal removing KSL Context Description Used with Example Sentence Used in ruleset to remove each selected rule from the rule agenda. update ruleset by, each selected rule ruleset checking_rules contains all rules ; update ruleset by removing each selected rule . KSL Context Sentence Description Used in ruleset to update the rule agenda by removing any rule whose conditions were unsatisfied. Used with update rules ruleset by, any unsatisfied Example ruleset state_checker contains all rules ; update ruleset by removing any unsatisfied rules . 6 <strong>flex</strong> toolkit
Appendix C - KSL Keyword Glossary 217 repeat KSL Context Description Used with Example Formula Repeat-Until loop. until, end repeat ask question until valid_answer end repeat requested KSL Context Description Example Sentence Used in the definition of a watchdog to indicate the slot which it is attached to. watchdog account_security when the balance of account is requested then check the user`s access > 99 . resolution KSL Context Description Used with Example Sentence Used in ruleset to select rules using the built-in conflict resolution algorithm. select rule using conflict ruleset stock_take contains all rules ; select rule using conflict resolution with threshold 9 . rotation KSL Context Description Used with Example Sentence Used in ruleset to start the next rule agenda at the rule following the selected rule. update ruleset by cyclic, of rules ruleset moving_blocks contains all rules ; update ruleset by cyclic rotation of rules . rule KSL Context Description Example Sentence Defines a production rule within the forward chaining sub-system. rule prescribe_lomotil if complains(patient, diarrhoea) and not suffers(patient,liver_complaints) and not pregnant(patient) then prescribe( patient, lomotil ) . <strong>flex</strong> toolkit 7
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flex Reference By Dave Westwood
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The contents of this manual describ
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Contents 4 Contents Contents 4 1. I
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Contents 6 KSL Sentences 81 Frames
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Contents 8 Variant 196 Set 197 Gene
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1. Introduction 10 Forward Chaining
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2. Frames and Inheritance 12 2. Fra
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2. Frames and Inheritance 14 Defaul
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2. Frames and Inheritance 16 flex t
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2. Frames and Inheritance 18 define
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2. Frames and Inheritance 20 employ
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2. Frames and Inheritance 22 Inheri
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2. Frames and Inheritance 24 Depth-
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2. Frames and Inheritance 26 Univer
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2. Frames and Inheritance 28 The fl
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3. Forward Chaining 30 the axioms a
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3. Forward Chaining 32 flex toolkit
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3. Forward Chaining 34 A Simple Mod
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3. Forward Chaining 36 The basic cy
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3. Forward Chaining 38 First Come F
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3. Forward Chaining 40 considered.
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4. Data-Driven Programming 42 data-
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4. Data-Driven Programming 44 Const
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4. Data-Driven Programming 46 • c
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4. Data-Driven Programming 48 conte
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5. Questions And Answers 50 Rather
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5. Questions And Answers 52 Customi
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5. Questions And Answers 54 answer
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6. Anatomy of a flex Program 56 ?-
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6. Anatomy of a flex Program 58 fle
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6. Anatomy of a flex Program 60 and
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7. Knowledge Specification Language
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8. Run-Time Interpretation of KSL 1
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9. Flex Predicates 120 9. flex Tool
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9. Flex Predicates 122 ask( +Name )
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9. Flex Predicates 124 flex toolkit
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9. Flex Predicates 126 every_instan
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9. Flex Predicates 128 forward_chai
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9. Flex Predicates 130 Examples fle
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9. Flex Predicates 132 are : Search
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9. Flex Predicates 134 isa_demon( ?
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9. Flex Predicates 136 Example ?- i
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9. Flex Predicates 142 new_group( +
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9. Flex Predicates 144 one of the f
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9. Flex Predicates 146 new_synonym(
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9. Flex Predicates 148 the agenda.
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9. Flex Predicates 150 Examples rem
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9. Flex Predicates 152 remove_quest
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9. Flex Predicates 154 spied_chain
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9. Flex Predicates 156 If the exist
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11. Example - Robbie Goes Shopping
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Page 168 and 169: Appendix A - Examples 166 Appendix
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Page 172 and 173: Appendix A - Examples 170 Represent
Page 174 and 175: Appendix A - Examples 172 The Ident
Page 176 and 177: Appendix A - Examples 174 Example 2
Page 178 and 179: Appendix A - Examples 176 The Rules
Page 180 and 181: Appendix A - Examples 178 group sta
Page 182 and 183: Appendix B - Formal Definition of K
Page 204 and 205: Appendix C - KSL Keyword Glossary 2
Page 228 and 229: Appendix D - Dealing with Uncertain
Page 234 and 235: Index 232 — GENERAL INDEX — —
Page 236 and 237: Index 234 cycle, 111 cycle/3, 106 c
Page 238 and 239: Index 236 attribute of, 51 child, 7
Page 240 and 241: Index 238 isa_exception/1, 117 isa_
Page 242 and 243: Index 240 Ordering, 58, 59, 88, 105
Page 244 and 245: Index 242 create, 128 disabling of,
Page 246 and 247: Index 244 Updating agenda, 29, 74 U
Page 248 and 249: Index 246 false, 180, 193 first, 72
Page 250 and 251: Index 248 —flex PREDICATES INDEX
Page 252 and 253: Index 250 run_data/0, 137 run_data/
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