Yes, bm25 is a strong baseline for legal case retrieval

Published in arXiv preprint arXiv:2105.05686, 2021

Recommended citation: Rosa, Guilherme Moraes; Rodrigues, Ruan Chaves; Lotufo, Roberto; Nogueira, Rodrigo. (2021). "Yes, bm25 is a strong baseline for legal case retrieval." arXiv preprint arXiv:2105.05686. https://arxiv.org/pdf/2105.05686.pdf

We describe our single submission to task 1 of COLIEE 2021. Our vanilla BM25 got second place, well above the median of submissions. Code is available at https://github.com/neuralmind-ai/coliee.

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@article{rosa2021yes,
  title={Yes, bm25 is a strong baseline for legal case retrieval},
  author={Rosa, Guilherme Moraes and Rodrigues, Ruan Chaves and Lotufo, Roberto and Nogueira, Rodrigo},
  journal={arXiv preprint arXiv:2105.05686},
  year={2021}
}