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The time intervals at which processes occur.
Entity Life History modelling (ELH) is needed.
The structure of processes and data stores.
Logical Data Structure modelling (LDS) is needed.
How often a process is repeated
Also, analysis of a DFD does not reveal important business aspects:
Whether or not the system is a business enabler for competitive advantage
The technical aspects
IT Platform
Data Structures
Costs (except by implication)
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∙ 12y ago
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