Sumita, H., S. Ito, K. Takemura, D. Hatano, T. Fukunaga, N. Kakimura, and K.- ichi Kawarabayashi. “Online Task Assignment Problems With Reusable Resources”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 36, no. 5, June 2022, pp. 5199-07, doi:10.1609/aaai.v36i5.20455.