Hiroki Hara

2E2-3 Study on Quantitative Evaluation Method of Cooperative Behavior Dynamics in Team Activity

Yuzo Takahashi, Hiroki Hara, 2019 .

Properties of the Quasi L2/L2 Hankel Norms and the L2/L2 Hankel Operator of Sampled-Data Systems*

Tomomichi Hagiwara, Hiroki Hara, 2019, 2019 18th European Control Conference (ECC).

Population estimation by random forest analysis using Social Sensors

Kazuhiko Tsuda, Yoshikatsu Fujita, Hiroki Hara, 2020, KES.

Population estimation using Twitter for a specific space

Kazuhiko Tsuda, Yoshikatsu Fujita, Hiroki Hara, 2021, Data Technol. Appl..

A Method of Classification Twitter Posting Location for a Specific Space

Kazuhiko Tsuda, Yoshikatsu Fujita, Hiroki Hara, 2021, KES.