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Dynamic knowledge interaction is interaction that brings about mutual understanding and knowledge evolution in a community. Proposes a communication medium called conversational medium that provides the user with a means for interacting with the content in a conversational fashion, and presents a traveling conversation model in which the community knowledge process is modeled as circulation of conversational contents that represent small talks in a community. Shows several pilot systems based on these ideas, including the public opinion channel which is an interactive broadcasting system that collects small talks and broadcasts stories reorganized from the archive of small talks; EgoChat which is a system based on a talking‐virtualized‐egos metaphor; Voice Café which is a system consisting of a physical object and a conversational agent that allows artifacts to make conversation with people or other artifacts; and embodiment communication for communicating more vivid information by introducing non‐verbal communication facilities.
Toyoaki Nishida (2002) studied this question.