Abstract
Analysis as part of requirements gathering, conducted according to conventional systems development approaches like structured analysis and object-oriented analysis, focuses on standard data formats and general data flow. The data dictionaries and data flow diagrams of Yourdon's structured project life-cycle [21] model the general standard data format and flow, respectively. Within the object-oriented paradigm Booch [2] emphasizes, quoting W. Wulf, that: We (humans) have developed an exceptionally powerful technique for dealing with complexity. We abstract from it. Unable to master the entirely of an object, we choose to ignore its essential details, dealing with the generalized, idealized model of the object. (Our emphasis).
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