idef3_kbsi_report (1013870)
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AL-TR-1995-XXXXINFORMATION INTEGRATION FORCONCURRENT ENGINEERING (IICE)IDEF3 PROCESS DESCRIPTION CAPTUREMETHOD REPORTRichard J. Mayer, Ph.D.Christopher P. Menzel, Ph.D.Michael K. PainterPaula S. deWitte, Ph.D.Thomas BlinnBenjamin Perakath, Ph.D.KNOWLEDGE BASED SYSTEMS, INCORPORATEDONE KBSI PLACE1500 UNIVERSITY DRIVE EASTCOLLEGE STATION, TEXAS 77840-2335HUMAN RESOURCES DIRECTORATELOGISTICS RESEARCH DIVISIONSEPTEMBER 1995INTERIM TECHNICAL REPORT FOR PERIOD APRIL 1992 - SEPTEMBER 1995Approved for public release; distribution is unlimited.September 1995Interim - February 1991 to September 1995IDEF3 Process Description Capture Method ReportRichard J.
Mayer, Ph.D.Michael K. PainterChristopher P. Menzel, Ph.D. Benjamin Perakath, Ph.DPaula S. deWitte, Ph.D.Thomas BlinnKnowledge Based Systems, Inc.One KBSI Place, 1500 University Drive EastCollege Station, TX 77845KBSI-IICE-90-STR-01-0592-02Armstrong LaboratoryHuman Resources DirectorateLogistics Research DivisionWright-Patterson AFB, OH 45433AL-TR-1995-XXXXApproved for Public Release; distribution is unlimitedAThis document provides a method overview, practice and use description, and language reference forthe Integration Definition (IDEF) method for Process Description Capture (IDEF3).
IDEF3 is designed tohelp document and analyze the processes of an existing or proposed system. Proven guidelines and alanguage for information capture help users capture and organize process information for multipledownstream uses. IDEF3 supports both process-centered and object-centered knowledge acquisitionstrategies enabling users to capture assertions about real-world processes and events in ways parallelingcommon forms of human expression. IDEF3 includes the ability to capture and structure descriptions ofhow a system works from multiple viewpoints.
As an integral member of the IDEF family of methods,IDEF3 works well in independent application or in concert with other IDEF methods to document, analyze,and improve the vital processes of a business.process, IDEF, method, methodology, modeling, knowledge acquisition, requirements definition,information systems, information engineering, systems engineering, integration, reengineeringUnclassifiedUnclassifiedUnclassifiedULCPEPRTAWU 08140F33615-90-C-001263106F294001iTABLE OF CONTENTSTABLE OF CONTENTS ..................................................................................................................... iiiLIST OF FIGURES ............................................................................................................................... vPREFACE .............................................................................................................................................
ixFOREWORD ......................................................................................................................................... xMETHOD ANATOMY ................................................................................................................................. xFAMILY OF METHODS .............................................................................................................................
xiiINTRODUCTION ................................................................................................................................. 1MOTIVATION ............................................................................................................................................
1Enhance the Productivity of Business Systems Analysis ..................................................................... 2Facilitate Design Data Life-Cycle Management ................................................................................ 2Support the Project Management Process.......................................................................................... 2Facilitate the System Requirements Definition Process...................................................................... 2Support Coordinated Activity and Integration of Effort .....................................................................
3DESIGN FEATURES OF IDEF3 ................................................................................................................... 3APPLICABILITY ......................................................................................................................................... 7BENEFITS .................................................................................................................................................. 8DOCUMENT ORGANIZATION ...................................................................................................................
10SUMMARY .............................................................................................................................................. 11IDEF3 OVERVIEW ............................................................................................................................ 11SCENARIOS: THE ORGANIZING STRUCTURE FOR IDEF3 PROCESS DESCRIPTIONS ................................. 11PROCESS-CENTERED VIEWS: THE PROCESS SCHEMATICS ..................................................................... 13OBJECT-CENTERED VIEWS: THE OBJECT SCHEMATICS .........................................................................
17IDEF3 PROCESS DESCRIPTION LANGUAGE ............................................................................ 22BASIC ELEMENTS OF IDEF3 PROCESS DESCRIPTIONS ............................................................................ 22PROCESS SCHEMATICS............................................................................................................................ 24Units of Behavior .............................................................................................................................. 24Links.................................................................................................................................................. 25Junctions ...........................................................................................................................................
31UOB Decompositions........................................................................................................................ 43UOB Reference Numbering Scheme ................................................................................................. 45Partial Descriptions.......................................................................................................................... 47Referents ........................................................................................................................................... 48OBJECT SCHEMATICS..............................................................................................................................
52Objects and Object States ................................................................................................................. 52Transition Schematics.......................................................................................................................
53Conditions......................................................................................................................................... 55Using Referents in IDEF3 Object Schematics .................................................................................. 57Transition Junctions.......................................................................................................................... 66Hiding Object State Information.......................................................................................................
70Enhanced Transition Schematics ...................................................................................................... 72ELABORATIONS....................................................................................................................................... 89Some Examples of the Elaboration Language .................................................................................. 90NOTES ....................................................................................................................................................
93iiiREPRESENTING STOCHASTIC PROCESSES ................................................................................................ 95DEVELOPING IDEF3 DESCRIPTIONS ......................................................................................... 96THE IDEF3 DESCRIPTION EVOLUTION CYCLE ........................................................................................ 97IDEF3 DESCRIPTION CAPTURE ACTIVITIES ............................................................................................ 98Define the Project .............................................................................................................................
98Define the Purpose............................................................................................................................ 99Establish the Context ...................................................................................................................... 100ORGANIZE FOR DATA COLLECTION....................................................................................................... 100COLLECT AND ANALYZE DATA.............................................................................................................
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