Hattori, Yuto, Fumiko Harada, and Hiromitsu Shimakawa. “Estimating Collaboration through Variation in Time Series from Members in Group Works”. Transactions on Engineering and Computing Sciences 9, no. 1 (February 28, 2021): 28–48. Accessed December 7, 2025. https://www.journals.scholarpublishing.org/index.php/TMLAI/article/view/9678.