Yes, BM25 is a Strong Baseline for Legal Case Retrieval

Abstract

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.

References in corpus (3)

• Pyserini: An Easy-to-Use Python Toolkit to Support Replicable IR Research with Sparse and Dense Representations
• How Does NLP Benefit Legal System: A Summary of Legal Artificial Intelligence
• IITP@COLIEE 2019: Legal Information Retrieval using BM25 and BERT