Hatsuhiko Kato

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This paper deals with a design of a CSCL (computer supported collaborative learning) referred to as "ProjectBoard", which displays an awareness of task status and division of labor in project-based learning (PBL). According to the situated learning theory, learners learn not only the cultural practice but also the "legitimate learning strategy" which refers(More)
A high dependability computer configured with a new scheme is proposed by combining and sublating spatial diversity and time diversity which have already been proven. This paper starts with fault analysis of the on-board computer tested on the satellite "Hiten" followed by a study of the fault distribution over components constituting typical computer(More)
Networks around home electronics are a recent development. Assuming that home networks will develop in the future, we have been working on networks systems of gas appliances. This paper starts with a description of the existing state of IT usage in gas appliances and the company’s efforts thus far in this field. It then introduces a home network system of(More)
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