"This conference will focus on the user-oriented development of information systems. Against a background of recent concepts for the implementation of distributed systems based on workstation computers, various communicational, organizational and social issues gain increasing importance in the construct ion of computer based information systems. There is an urgent need to integrate end-users and other affected groups into the development process. New strategies for system development are thus needed. " This was the beginning of the Call for Papers to the Working Conference on Prototyping....