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We motivate the use of desktop assistants in the context of web surfing and show how such a too1 may be used to support activities in both cooperative and personal surfing. , By cooperative surfing we mean surfing by a community of users who choose to cooperatively and asynchronously build up knowledge structures relevant to their group. Specifically, we describe the design of an assistant called Vistabar, which lives on the Windows desktop and operates on the currently active web browser. Vistabar instances working for individual users support the authoring of annotations and shared bookmark hierarchies, and work with profiles of community interests to make findings highly available. Thus, they support a form of community memory. Visfabar also serves as a form of personal memory by indexing pages the user sees to assist in recall.
Marais et al. (Wed,) studied this question.
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