@software{rank_bm25,
  author = {Dorian Brown},
  title = {{Rank-BM25: A Collection of BM25 Algorithms in Python}},
  year = 2020,
  publisher = {Zenodo},
  doi = {10.5281/zenodo.4520057},
  url = {https://doi.org/10.5281/zenodo.4520057}
}