@InProceedings{ShoheiHisamitsu:2023,
  author = {Shohei Hisamitsu,Sho Cho,Hongshan Jin,Masashi Toyoda,Naoki Yoshinaga},
  title = {Diachronic Analysis of Users' Stances on COVID-19 Vaccination in Japan using Twitter},
  booktitle = {9th International Conference on Computational Social Science (IC2S2 2023) },
  year      = {2023},
  address   = {Copenhagen, Denmark},
}