Kawanaka Hiroharu

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Observation by walking is an effective way to grasp misunderstanding students. Teachers observe students by walking between students especially during exercise. Though the effectiveness of the observation, it is hard for teachers to make effective support to troubled students during the exercise in large class. In this article, we aim to develop a(More)
In this paper, we propose a method to extract keywords from answers of a quiz. Teachers often do quizzes to grasp students' misunderstandings. But, quizzes in a large class are hard for teachers, especially in a descriptive answer type. Teachers grasp misunderstandings from descriptive answers by following procedure: (1) skimming keywords, (2) grasping(More)
In this paper we improve the input-output relationship of SpikeProp network[1], one type of spiking neural networks. Though the standard SpikeProp networks perform well on complex non-linear classification, it has a drawback: discontinuity problem, which is a behavior that small variation in input causes the output to change greatly. Previous work shows(More)
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