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  model the general standard data format and flow, respectively. Within the object-oriented paradigm Booch  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).
The full text of this article is premium content
No entries found
Log in to Read the Full Article
Please select one of the options below for access to premium content and features.
Create a Web Account
If you are already an ACM member, Communications subscriber, or Digital Library subscriber, please set up a web account to access premium content on this site.
Join the ACM
Become a member to take full advantage of ACM's outstanding computing information resources, networking opportunities, and other benefits.
Subscribe to Communications of the ACM Magazine
Get full access to 50+ years of CACM content and receive the print version of the magazine monthly.
Purchase the Article
Non-members can purchase this article or a copy of the magazine in which it appears.