γ-Independent H∞-discretization of sampled-data systems by modified fast-sample/fast-hold approximation with fast lifting. - Tomomichi Hagiwara; Koichiro Okada (ACC, 2008)

Modified fast-sample/fast-hold approximation and γ-independent H∞-discretisation for general sampled-data systems by fast-lifting. - Tomomichi Hagiwara; Koichiro Okada (Int. J. Control, 2009)

Quasi-finite-rank approximation of compression operators in sampled-data systems and time-delay systems. - Tomomichi Hagiwara; Kenichi Morioka; Koichiro Okada (Int. J. Control, 2010)

Extraction of Useful Knowledge for Making Roster by Analyzing Nurse Scheduling Data and Incident Data. - Koichiro Okada; Masanori Akiyoshi; Yukie Majima; Hiroe Takahashi; Sayuri Tanaka; Misae Tanioka; Miwako Hori (HEALTHINF, 2016)

A Cloud-Based Stream Processing Platform for Traffic Monitoring Using Large-Scale Probe Vehicle Data. - Yiyang Pei; Xiaoyang Li; Liang Yu; Guangxia Li; Hai-Heng Ng; Jerry Kah Eng Hoe; Chee-Wei Ang; Wee Siong Ng; Kenji Takao; Hirokazu Shibata; Koichiro Okada (WCNC, 2017)