"Chikahiro Miyokawa,TAKASHI OBI,Kazushige Fujita,Masuyoshi Yachida,Joong-sun Lee,Tetsuya Natsume,Naoko Taira,Eikazu Niwano,Makoto Kumakura,Yoshiaki Iwamaru,nagaaki ohyama","A Study on Visualization of Business Process Flow of Information Transfer Network System (My Number System) Using BPMN","ライフインテリジェンスとオフィス情報システム研究会","信学技報",,"vol. 112","no. 305","pp. 69-74",2012,Nov.
"Joong-sun Lee,TAKASHI OBI,Takahiro Yokoyama,Masuyoshi Yachida,平良奈緒子,Eikazu Niwano,Chikahiro Miyokawa,Yoshiaki Iwamaru,nagaaki ohyama","情報連携基盤のビジネスプロセスフローの制御に係るセキュリティに関する研究","ライフインテリジェンスとオフィス情報システム研究会","信学技報",,"vol. 111","no. 470","pp. 225-229",2012,Mar.