Advances in Artificial Intelligence : Selected Papers from the Annual Conference of Japanese Society of Artificial Intelligence (JSAI 2021) - Takama, Yasufumi; Abe, Akinori; Hiraoka, Toshihiro; Kashima, Hisashi; Katagami, Daisuke; Matsumura, Naohiro; Matsushita, Mitsunori; Rzepka, Rafal; Uchiya, Takahiro; Yada, Katsutoshi (Cham Springer International Publishing AG, 2022)