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Role of UML Interaction Overview Diagram in Business Domain Modeling

Interaction Overview diagram appeared in version 2.0 due to the need to complete the faults disadvantages of activity and sequence diagrams. The nature of the Interaction Overview diagram is to show the interaction of the components within the system at the higher level of abstraction. The stronger side of the Interaction Overview diagram is the fact that it can show dependence between the important sequences of a business system, which can be presented by a flow chart or by an activity diagram. A single sequence within the Interaction Overview diagram can be sequence diagram or use case diagram connected with if then else structure (which enables decomposition to lower levels of abstraction). Since the Interaction Overview diagram is a simpler form of activity diagram, it is used to show normal and alternative sequence flows within a business system. These flows are realized by combining flow chart elements and sequence diagram references. After the Interaction Overview diagram appeared in UML 2.0 version, its further evolution into context diagram can be expected.

UML; interaction overview diagram; sequence diagram; activity diagram; context diagram; flow chart.

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