Exchanging Tacit Community Knowledge by Talking-virtualized-egos

This paper describes a method of exchanging tacit community knowledge using talking-virtualized-egos. We aim at sharing tacit knowledge in a community, for this purpose, we propose two ideas. The first idea is an exchange of narrative-mode messages with voices and gestures among community members; the members share tacit knowledge each other by telling narrativemode messages. Oral communication enables us to converse casually. The other idea is a talking-virtualizedegos metaphor; this metaphor mimics a theater where virtualized-egos talk and exchange narrative-mode message with voices and gestures on behalf of community members. Each community member can gain the tacit community knowledge from the other members ’ point of view by observing the exchange objectively. To investigate these ideas, we have developed a system called EgoChat that supports tacit community knowledge sharing by exchanging narrative-mode messages orally based on the talking-virtualized-egos metaphor. Effectivity of the proposed system is discussed.