Sato, Y., T. Utsuro, T. Fukuhara, Y. Kawada, Y. Murakami, H. Nakagawa, and N. Kando. “Collecting and Analyzing Japanese Splogs Based on Characteristics of Keywords”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 2, no. 1, Sept. 2021, pp. 218-9, https://ojs.aaai.org/index.php/ICWSM/article/view/18659.