flex Expert System Toolkit - LPIS

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tail Appendix A - Examples 168 herbivore meal = plant teeth = molars rodent habitat = sewer status = pest tail = short, thin mammal habitat = land motions = walk skin = fur human brain = large legs = 2 skills = tool_making carnivore meal = meat teeth = canines feline legs = 4 speed = very fast tail = long, furry squirrel size = small tail = long, bushy tiger habitat = jungle meal = human size = large state = predator shere_khan meal = mowgli mowgli skills = fire_making sammy habitat = my house sylvester habitat = my house meal = tweety_pie skin = shaggy cat size = medium manx The following KSL statements describe the frame hierarchy above, together with the associated default values. frame carnivore default meal is meat and default teeth are canines . frame herbivore default meal is plant and default teeth are molars . Note that carnivores and herbivores have no parent frames. Their role is merely to define a set of default characteristics. <strong>flex</strong> toolkit
Appendix A - Examples 169 frame feline is a mammal , carnivore default legs are 4 and default speed is 'very fast' and default tail is { long and furry } . frame rodent is a mammal , herbivore default habitat is sewer and default status is pest and default tail is { short and thin } . frame human is a mammal default brain is large and default legs are 2 and default skills are { tool_making } . frame cat is a feline default size is medium . frame tiger is a feline default habitat is jungle and default meal is human and default state is predator and default size is large . frame squirrel is a rodent default size is small and default tail is { long and bushy } . Unlike most other rodents, whose tails are generally short and thin, the tail of a squirrel is long and bushy. frame manx is a cat ; do not inherit tail . Unlike other cats, a manx does not have a tail. This is represented by not inheriting the tail attribute. instance sammy is a cat ; habitat is my_house ; inherit meal from herbivore . The instance called sammy illustrates the technique of overriding the frame hierarchy for a particular attribute. sammy will inherit its meal type from herbivore. instance sylvester is a cat ; habitat is my_house ; meal is tweety_pie ; skin is shaggy . instance shere_khan is a tiger ; meal is mowgli . instance mowgli is a human ; skills are { fire_making } . <strong>flex</strong> toolkit
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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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Page 120 and 121: 8. Run-Time Interpretation of KSL 1
Page 122 and 123: 9. Flex Predicates 120 9. flex Tool
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Page 126 and 127: 9. Flex Predicates 124 flex toolkit
Page 128 and 129: 9. Flex Predicates 126 every_instan
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Page 132 and 133: 9. Flex Predicates 130 Examples fle
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Page 138 and 139: 9. Flex Predicates 136 Example ?- i
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Page 146 and 147: 9. Flex Predicates 144 one of the f
Page 148 and 149: 9. Flex Predicates 146 new_synonym(
Page 150 and 151: 9. Flex Predicates 148 the agenda.
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Page 154 and 155: 9. Flex Predicates 152 remove_quest
Page 156 and 157: 9. Flex Predicates 154 spied_chain
Page 158 and 159: 9. Flex Predicates 156 If the exist
Page 160 and 161: 11. Example - Robbie Goes Shopping
Page 168 and 169: Appendix A - Examples 166 Appendix
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
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Appendix C - KSL Keyword Glossary 2
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Appendix D - Dealing with Uncertain
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Index 232 — GENERAL INDEX — —
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Index 234 cycle, 111 cycle/3, 106 c
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Index 236 attribute of, 51 child, 7
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Index 238 isa_exception/1, 117 isa_
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Index 240 Ordering, 58, 59, 88, 105
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Index 242 create, 128 disabling of,
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Index 244 Updating agenda, 29, 74 U
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Index 246 false, 180, 193 first, 72
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Index 248 —flex PREDICATES INDEX
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Index 250 run_data/0, 137 run_data/
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flex Expert System Toolkit - LPIS

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