-  Xia Qingxin, Atsushi Wada, Joseph Korpela, Takuya Maekawa, and Yasuo Namioka, "Unsupervised Factory Activity Recognition with Wearable Sensors Using Process Instruction Information," Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT), volume 3, number Issue 2, No. 60, pages 1-23 June 2019.
-  Kazuya Ohara, Daisuke Nakai, Takuya Maekawa, and Yasuo Namioka, "Preliminary Investigation of Unsupervised Measurement of Assemblywork Lead Time by Usingwearable Sensor," Proc. of Asian Conference on Information Systems (ACIS 2016), pages 217-218 October 2016.
-  Takuya Maekawa, Daisuke Nakai, Kazuya Ohara, and Yasuo Namioka, "Toward Practical Factory Activity Recognition: Unsupervised Understanding of Repetitive Assembly Work in a Factory," Proc. of International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016), pages 1088-1099 September 2016.
-  Daisuke Nakai, Takuya Maekawa, and Yasuo Namioka, "Towards Unsupervised Measurement of Assembly Work Cycle Time by Using Wearable Sensor," Proc. of IEEE Intl Conf. on Pervasive Computing and Communications (PerCom 2016), March 2016.
-  高博奇, 天方大地, 前川卓也, 原隆浩, "Detecting Energy Depriving Malicious Nodes by Unsupervised Learning in Energy Harvesting Cooperative Wireless Sensor Networks," マルチメディア通信と分散処理ワークショップ (DPSWS 2019), pages 97-104 2019年11月.
-  Xia Qingxin, Atsushi Wada, Joseph Korpela, Takuya Maekawa, and Yasuo Namioka, "Preliminary Investigation of Assembly Work Activity Recognition with Wearable Sensors Via Unsupervised Learning," 情報処理学会 マルチメディア, 分散, 協調とモバイル(DICOMO2019)シンポジウム論文集, volume 1, number 6E-1, June 2019.