We are focusing on human activity/context recognition using various information that can be obtained from a smartphone and its surrounding environment. The understanding is a key factor to develop advanced services that are optimal for each person. Also, we are focusing on the system design issues to realize such services.

By capturing demographics in a wide area, and combining them with various data, it enables to predict people’s activities or state in the future, such as future demographics, traffic demands, and so on. Based on such technologies, we propose new services that contribute to the revitalization of the local society and economy.