Transitioning from structured analysis to object-oriented design
Lewis Gray · 1988
The starting point for the study was a system model contained in a software requirements specification document.Somewhat different from DeMarco's notion of a system model, however, this one consisted solely of decomposed, disjoint ADP events, equivalent to what McMenamin and Palmer [10] would call the essential activity level and below.There was a DFD in the software requirements specification for each ADP event that showed the decomposition of the event into primitive processes.However, in contrast to a leveled set of DFDs, there were no