Object process modelling (OPM) captures data and processes/functions without worrying about the
sequence in which processes are invoked. Basic building blocks of OPM
8
are entities that represent
processes and objects. Relationships between entities are represented by links that are either structural
or procedural. The entities can be high level or abstract and an entity can be detailed in another OPM
creating a top-down representation of the requirements.
OPM legends are shown in Figure 6.12. In OPM, a process is represented as an oval and an object as
a rectangle ...
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