(Data flow diagramming, DFD) . IDEF0, DFD . IDEF0 . DFD :
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. 3.
IDEF0 DFD, Activity Box Count - DFD. DFD :
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(Data store). , , ;
. IDEF0 offpage reference ( ).
IDEF0, , DFD , ( ) . DFD (data flow), (data stores), (external entities).
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DFD , . , IDEF0 IDEF3. IDEF3, , , IDEF0.
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DFD , () . . , . 12.4. . D , D5. , 5.
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DFD , . IDEF3, workflow diagramming , , , . Workflow - .
IDEF3
IDEF3 , , . (Scenario) , (, ). , : , ( , ..), , ( , , ..). , . IDEF3 :
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IDEF3 - , -, - (. 4).
. 4. - IDEF3
IDEF3, . (Process Flow Description Diagrams, PFDD), (Object State Transition Network, OSTN). , . PFDD . OSTN , .
, , IDEF3 . , , , , ( ) .
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. 5. PFDD
5 PFDD, . PFDD (Unit of Behavior, UOB) , . UOB , . UOB . :
(Precedence) , UOB. ;
(Relational Link) , UOB;
(Object Flow) , () , , .
, J1 (Junction). () , . (Fan-in Junction) (Fan-out Junction) . . . 1.
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PFDD , J.
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UOB , , , . UOB IDEF3 . , UOB , PFDD . , . 5, , . UOB , .., UOB 1, UOB 1.1, 1.2 .. IDEF3 .
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. 6. OSTN
PFDD , IDEF3 OSTN . ( ) OSTN . , . UOB, .
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IDEF3, () .
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OBJECT | |
GOTO | ( ), , . , , . GOTO |
UOB (Unit of behaviour) | , - , . , , . |
NOTE | , - . NOTE |
ELAB (Elaboration) | . |
IDEF3 , IDEF3 . , .
IDEF0 DFD IDEF3 , .