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At the 1996 and 1997 International Conferences on Software Engineering, three of the six keynote addresses identified negotiation techniques as the most critical success factor in improving the outcome of software projects. The USC Center for Software Engineering has been developing a negotiation-based approach to software system requirements engineering, architecture, development, and management. This approach has three primary elements: Theory W, a management theory and approach, which says that making winners of the system's key stakeholders is a necessary and sufficient condition for project success. The WinWin spiral model, which extends the spiral software development model by adding Theory W activities to the front of each cycle. WinWin, a groupware tool that makes it easier for distributed stakeholders to negotiate mutually satisfactory (win-win) system specifications. This article describes an experimental validation of this approach, focusing on the application of the WinWin spiral model. The case study involved extending USC's Integrated Library System to access multimedia archives, including films, maps, and videos. The study showed that the WinWin spiral model is a good match for multimedia applications and is likely to be useful for other applications with similar characteristics--rapidly moving technology, many candidate approaches, little user or developer experience with similar systems, and the need for rapid completion.

A. Egyed, R. Madachy, B. Boehm, J. Kwan, A. Shah and D. Port, "Using the WinWin Spiral Model: A Case Study," in Computer, vol. 31, no. , pp. 33-44, 1998.
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