Yasufumi Hirakawa

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Although a lot of systems provide co-located collaboration support, few existing technologies provide support for fluid knowledge sharing. To fluidly share our knowledge in co-located environments, each person's digital experience should be merged and presented on a collaborative display device such as a face-to-face tabletop display. For capturing concrete(More)
In future ubiquitous computing environments, our daily lives will be influenced by a lot of computer-supported services all over the place. To interact with those services intuitively, heterogeneous interaction techniques such as gesture recognition, auditory recognition and tangible user interfaces will appear. Besides, several kinds of services will(More)
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