Eiji Kumakawa   Wataru Yamada   Keiichi Ochiai   Yusuke Fukazawa   Mizuki Shirai   Hirokazu Masuda   
UbiComp/ISWC '21: 2021 ACM International Joint Conference on Pervasive and Ubiquitous Computing and 2021 ACM International Symposium on Wearable Computers 44-45 2021年