Increasing collaboration in business processes has resulted in increased demand for information systems that support collaboration. Many system development methodologies, however, are oriented towards defining processes that are fixed both in their process steps and process functions. Collaborative systems however are more uncertain in nature and processes usually evolve to accomplish the goal. Hence requirements cannot be specified in detail. This paper proposes a way to identify collaborative

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... requirements in higher level terms and provide platforms of services that support collaborative process evolution while at the same time ensuring that system goals are met.