The M.A.D. Experience: Multiperspective Application Development in
evolutionary prototyping

Abstract

This paper describes experience obtained through a joint project
between a university research group and a shipping company in
developing a prototype for a global customer service system. The
research group had no previous knowledge of the complex business of
shipping, but succeeded in developing a prototype that more than
fulfilled the expectations of the shipping company. A major reason for
the success of the project is due to an experimental and
multiperspective approach to designing for practice. Some of the
lessons to be learned for object-orientation are:

   - analysis is more than finding nouns and verbs, 
   - design is more than filling in details in the object-oriented
     analysis model, and 
   - implementation is more than translating design models into code. 

Implications for system development in general and object-orientation
in particular consist in the preliminary respecification of the
classical working order: analysis - design - implementation.