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An important problem in several scientific and technical fields, and in general in the whole human knowledge, is the development and maintenance of common documents. Alliance is a collaborative writing system which allow co-authors, spread out across different locations, to work together sharing common documents. In order for collaboration to succeed and to be efficient, co-authors need to be aware of each other’s activities (actions, intentions, presence, etc.). This position paper focus on describing the protocol developed for supporting group awareness in Alliance. A discussion of how well this protocol works in a real operational context is included