This paper emphasizes the need for systems to be adaptable due to the manner in which groups collaborate over the lifetime of a project. It is observed that humans tend to adopt patterns of behavior when collaborating and these patterns tend to morph over a project's lifecycle. We identify the factors that cause such change along with the challenges that such evolving patterns pose on existing collaborative information systems. We propose a method to assess the adaptability of systems in ensuring that they can accommodate this change. Adaptability assessment is an essential criterion in the evaluation of a collaborative system.
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