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IDEF1 Information Modeling IDEF1 Information Modeling A Reconstruction of the Original Air Force Wright Aeronautical Laboratory Technical Report AFWAL-TR-81-4023 Dr. Richard J. Mayer, Editor Knowledge Based Systems, Inc. IDEF1 Information Modeling A Reconstruction of the Original Air Force Wright Aeronautical Laboratory Technical Report AFWAL-TR-81-4023 Dr. Richard J. Mayer, Editor Knowledge Based Systems, Inc. Knowledge Based Systems, Inc. One KBSI Place 1408 University Drive East College Station, Texas 77840-2335 (409) 260-5274 This manual is copyrighted, with all rights reserved. Under the copyright laws, the manual may not be reproduced in any form or by any means, in whole or in part, without written consent of Knowledge Based Systems, Inc. (KBSI). Under the law, reproducing includes translating into another language or format. © 1990, 1992 by Knowledge Based Systems, Inc. One KBSI Place 1408 University Drive East College Station, Texas 77840-2335 (409) 696-7979 Table of Contents List of Figures .......................................................................................................................... v Foreword.................................................................................................................................. ix 1.0 Introduction.................................................................................................................... 3 2.0 IDEF1 Concepts ............................................................................................................. 7 2.1 Introduction......................................................................................................... 7 2.2 Roles..................................................................................................................... 9 2.3 Multi-Phase Development ................................................................................ 10 2.4 Cyclical Activities.............................................................................................. 12 3.0 Understanding IDEF1 Diagrams................................................................................ 17 3.1 Phase Zero ......................................................................................................... 17 3.2 Phase One.......................................................................................................... 18 3.3 Phase Two.......................................................................................................... 22 3.4 Phase Three....................................................................................................... 27 3.5 Phase Four......................................................................................................... 33 3.6 Conclusions........................................................................................................ 34 4.0 Reading IDEF1 Diagrams ........................................................................................... 37 4.1 Introduction....................................................................................................... 37 4.2 Diagram Reading Steps.................................................................................... 38 4.3 Semantics of IDEF1 .......................................................................................... 45 5.0 IDEF Forms and Procesures ....................................................................................... 47 5.1 IDEF Teamwork Discipline.............................................................................. 49 5.2 The IDEF Kit Cycle........................................................................................... 50 5.2.1 Personnel Roles................................................................................. 51 5.2.2 Guidelines for Authors and Commentors........................................ 53 i 5.3 IDEF Kits .......................................................................................................... 55 5.3.1 Completing ........................................................................................ 55 5.3.2 How to Prepare ................................................................................. 57 5.4 Standard Diagram Form .................................................................................. 57 5.4.1 Working Information........................................................................ 58 5.4.2 The Message Field ............................................................................ 62 5.4.3 The Title Field................................................................................... 62 5.4.4 The Number Field............................................................................. 63 5.5 Keeping Files..................................................................................................... 63 5.5.1 Standard Kit File.............................................................................. 64 5.5.2 Summary Kit File ............................................................................. 64 5.5.3 Working File...................................................................................... 64 5.6 The IDEF Model Walk-Through Procedure .................................................... 64 6.0 Author’s Guide To Creating IDEF1 Diagrams........................................................... 47 6.1 Phase Zero - Context Definition....................................................................... 71 6.2 Project Definition .............................................................................................. 71 6.2.1 The Strategic Objective.......................................................................... 71 6.2.2 Strategic Plan.................................................................................... 75 6.2.3 Functional Organization .................................................................. 76 6.2.4 Resource Allocation .......................................................................... 85 6.2.5 Source Material – Data Collection Plan.......................................... 86 6.2.6 Author Conventions.......................................................................... 92 6.2.7 Phase Zero Kits................................................................................. 93 6.3 Phase One - Entity Class Definition................................................................ 94 6.3.1 Entity Class Definition..................................................................... 94 6.3.2 Phase One Kits ............................................................................... 100 6.4 Phase Two – Relation Class Definition.......................................................... 106 6.4.1 Basic Process ........................................................................................ 112 6.4.2 Phase Two Kits ............................................................................... 120 6.5 Phase Three – Key Class Definitions............................................................. 125 6.5.1 Phase Three Process....................................................................... 133 6.5.2 Function View ................................................................................. 137 6.5.3 Attribute Class Pool........................................................................ 143 ii 6.5.4 Identifying Key Classes.................................................................. 146 6.5.5 Entity Class/Attribute Class Matrix.............................................. 150 6.5.6 Key Attribute Class Definition ...................................................... 152 6.5.7 Phase Three Formalization............................................................ 156 6.5.8 Phase Three Kits ............................................................................ 162 6.6 Phase Four – Attribute Class Population...................................................... 167 6.6.1 Phase Four Process......................................................................... 169 6.6.2 Phase Four Kits .............................................................................. 175 6.6.3 Conclusion ....................................................................................... 178 7.0 Data Collection For IDEF Modeling ......................................................................... 179 7.1 Introduction.......................................................................................................... 181 7.2 The Interview Process .................................................................................... 181 7.3 The Interview Kit............................................................................................ 182 7.4 Interview Guidelines ...................................................................................... 183 7.4.1 Interview Preparation .................................................................... 184 7.4.2 Interview Initialization .................................................................. 185 7.4.3 Conducting the Interview .............................................................. 186 7.4.4 Termination .................................................................................... 188 7.4.5 Finalization ..................................................................................... 189 8.0 IDEF1 Glossary .......................................................................................................... 190 9.0 IDEF1 Index of Terms ..............................................................................................
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