@article{theproblemofsemanticshiftinlongitudinal,
  title = {The Problem of Semantic Shift in Longitudinal Monitoring of Social Media: A Case Study on Mental Health During the COVID-19 Pandemic},
  author = {Keith Harrigian and Mark Dredze},
  year = {2022},
  eprint = {2206.11160},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2206.11160v1},
}