Valuation of Customer and Purchase Behavior of a Supermarket Chain Using ID-POS and Store Causal Data. - Syun Usami; Kohei Otake; Takashi Namatame (HCI (12), 2017)

Proposal of Learning Support SNS Utilizing Gamification. - Syun Usami; Kohei Otake; Takashi Namatame (HCI (14), 2018)