@article{addressingmachinelearningconceptdrift,
  title = {Addressing machine learning concept drift reveals declining vaccine sentiment during the COVID-19 pandemic},
  author = {Martin Müller and Marcel Salathé},
  year = {2020},
  eprint = {2012.02197},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.02197v2},
}