flex Expert System Toolkit - LPIS

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Appendix A - Examples 170 Representing Birds The following diagram illustrates the bird taxonomy. bird habitat = tree motions = fly skin = feather penguin habitat = land motions = walk, swim size = medium canary colour = yellow size = small This can be represented by the KSL statements :- tweety_pie frame penguin is a bird default habitat is the land and default motions are { walk and swim } and default size is medium . frame canary is a bird default colour is yellow and default size is small . instance tweety_pie is a bird . <strong>flex</strong> toolkit
Appendix A - Examples 171 Representing Fish The following diagram illustrates the two major sub-classes of fish, namely sea water fish and fresh water fish. fish habitat = water motions = swim skin = scale fresh_water_fish habitat = river sea_water_fish habitat = sea salmon freddie habitat = fish_tank size = large which is represented by the following KSL sentences : frame 'sea water fish' is a kind of fish default habitat is the sea . frame 'fresh water fish' is a kind of fish default habitat is a river . frame salmon is a sea_water_fish, fresh_water_fish . instance freddie is a salmon ; habitat is fish_tank and size is large . The order of the parents for the salmon frame is important, as this determines the order in which values are potentially inherited. For example, the habitat of a salmon is firstly the sea (from 'sea water fish'), secondly a river (from 'fresh water fish') and thirdly water (from fish itself). <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 122 and 123: 9. Flex Predicates 120 9. flex Tool
Page 124 and 125: 9. Flex Predicates 122 ask( +Name )
Page 126 and 127: 9. Flex Predicates 124 flex toolkit
Page 128 and 129: 9. Flex Predicates 126 every_instan
Page 130 and 131: 9. Flex Predicates 128 forward_chai
Page 132 and 133: 9. Flex Predicates 130 Examples fle
Page 134 and 135: 9. Flex Predicates 132 are : Search
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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 170 and 171: tail Appendix A - Examples 168 herb
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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