A framework for asynchronous change awareness in collaborative documents and workspaces

  • Authors:

  • James Tam;Saul Greenberg

  • Affiliations:

  • Department of Computer Science, University of Calgary, Calgary, Alberta, Canada T2N 1N4;Department of Computer Science, University of Calgary, Calgary, Alberta, Canada T2N 1N4

  • Venue:
  • International Journal of Human-Computer Studies
  • Year:
  • 2006

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Abstract

Change awareness is the ability of individuals to track the asynchronous changes made to a collaborative document or graphical workspace by other participants over time. We develop a framework that articulates what change awareness information is critical if people are to track and maintain change awareness. Information elements include: knowing who changed the artifact, what those changes involve, where changes occur, when changes were made, how things have changed and why people made the changes. The framework accounts for people's need to view these changes from different perspectives: an artifact-based view, a person-based view and a workspace-based view. Each information element is further broken down into distinguishing features and matched against these perspectives, e.g., location history within the where category prompts the questions 'where was this artifact when I left' in the artifact-based view, 'where in the workspace has a person visited' in the person-based view and 'where have people been in the workspace' in the workspace-based view. The framework can be used both to inform and critique change awareness tools.