AOBAKO: A Testbed for Context-Aware Applications with Physicalizing Virtual Beacons. - Tsubasa Yumura; Masatoshi Enomoto; Kunio Akashi; Futoshi Hirose; Tomoya Inoue; Satoshi Uda; Toshiyuki Miyachi; Yasuo Tan; Yoichi Shinoda (UbiComp/ISWC Adjunct, 2018)