KURASHIMA, Takeshi; IWATA, Tomoharu; TOMINAGA, Tomu; YAMAMOTO, Shuhei; TODA, Hiroyuki; TAKEMURA, Kazuhisa. Personal History Affects Reference Points: A Case Study of Codeforces. Proceedings of the International AAAI Conference on Web and Social Media, [S. l.], v. 17, n. 1, p. 507–518, 2023. DOI: 10.1609/icwsm.v17i1.22164. Disponível em: https://ojs.aaai.org/index.php/ICWSM/article/view/22164. Acesso em: 27 may. 2026.