Kohei Mitsui

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—In past research, we proposed an authentication method that combines actions with spatiotemporal information such as location, time, and distance. With the method, a user succeeds in authentication when he/she performs preset actions such as pushing button n times on preset intervals defined by spatiotemporal information. In this paper, we improve the(More)
In the emerging home network systems (HNS), household appliances and sensors are connected to the network to provide various value-added services. However, the cost taken for users to operate the HNS would increase significantly , due to the diversification of appliances and services. Thus, intuitive and simple human interfaces are strongly required. This(More)
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