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Abstract. To successfully adopt a product line approach an organization needs to define its adoption goals, conceive a strategy, and implement a plan to achieve those goals. This process is repeated for each business unit and individual affected by the product line adoption. This paper describes how the characteristics of the market, organization, business unit, and individual influence product line adoption goals, strategies, and plans.

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The conceptual design of most computer-based information systems reflects a dualism of technology. During the development phase, part of the work-domain related knowledge is formalized and encoded in the software, making it difficult for users to reflect upon and use this knowledge. This design/use-dualism contributes to the deterioration of the interpretive flexibility of information systems. This paper outlines an information systems architecture called Dual Information Systems (DIS) that incorporates the concepts of an organizational memory information system (OMIS) in a broader framework. DIS help bridge the design/use dualism by providing organizations with a set of services that enable and reinforce both effective, institutionalized working and the questioning and (re)construction of computer-supported work routines. DIS have a four-layered conceptual structure: (1) people draw on the business layer to work and learn; (2) people use the breakdown layer to handle unexpected breakdowns; (3) self-organizing project teams use the project layer to create innovative work and IS (re)designs; and (4) the Knowledge Sharing Server acts as an OMIS by storing these redesigns and making them organizationally available to facilitate working and learning as well as subsequent redesign efforts. We outline the theoretical background, conceptual structure and generic services of DIS. We elaborate on the services and the conceptual design of the business and breakdown layers of DIS (bDIS). The services help people work effectively and develop competence needed to handle breakdowns and participate in the redesign project teams. The conceptual design extends the hyperknowledge framework of Chang et al. Finally, we demonstrate the conceptual design and services in a financial services organization with the help of the ReDIS prototype.