国際会議 2019年 Proposal of a Method to Evoke Cross-Cultural Communication by Using Digital Signage 2nd International Conference on Intelligent Human Systems Integration Kimi Ueda, Motoki Urayama, Hiroshi Shimoda, Hirotake Ishii, Rika Mochizuki, Masahiro Watanabe 記述言語 英語 会議種別