As we migrate from document-centric to subject-centric computing, we are discovering new approaches to the online facilitation of collective sensemaking. Our approach is to federate with a central topic map the many different tools of hypermedia discourse, such as social bookmarking, semantic annotation, and dialogue mapping. We are learning that this federation facility provides opportunities for unique uses of aggregated sensemaking. We report on our progress in the development of a dashboard facility as one such opportunity.

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