Activity-based approach to derive system models from business process models

A new method for deriving system models based on business process models is presented in this paper. The congruence between the central notion of `automated activity' in improved RAD model and that of “action or function” in the use case diagram facilitates the derivation of system models based on business process models. This method led to develop system models in early stage which can be used to perform what-if analysis to define the applicability and profitability of the anticipated software system. The process of student registration is used to demonstrate the proposed approach and showing its ease and timeliness. Finally, further work is planned to validate and evaluate the proposed method using several cases with different domains.