{"about":{"site":"https://codewithpapers.app","non_affiliation":"Code with Papers and Syntology are not affiliated with, endorsed by, or sponsored by Papers with Code, Meta, or the pwc-archive mirror.","licence":"CC BY-SA 4.0","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","attribution":"https://codewithpapers.app/attribution","modified":"archive material modified by Syntology; see the attribution page"},"url":"/paper/yes-bm25-is-a-strong-baseline-for-legal-case","title":"Yes, BM25 is a Strong Baseline for Legal Case Retrieval","arxiv_id":"2105.05686","date":"2021-04-26","proceeding":null,"authors":["Guilherme Moraes Rosa","Ruan Chaves Rodrigues","Roberto Lotufo","Rodrigo Nogueira"],"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.","url_abs":"https://arxiv.org/abs/2105.05686v2","url_pdf":"https://arxiv.org/pdf/2105.05686v2.pdf","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","row_kind":"abstracts"},"code_links":[{"paper_slug":"yes-bm25-is-a-strong-baseline-for-legal-case","repo_url":"https://github.com/neuralmind-ai/coliee","is_official":1,"mentioned_in_paper":1,"mentioned_in_github":1,"framework":"none","reach":{"status":"ok"}}],"tasks":[{"task_slug":"retrieval","task_name":"Retrieval"}],"methods":[],"datasets_introduced":[],"methods_introduced":[],"results":[],"syntology":{"syntology_url":"https://syntology.ai/paper/2105.05686","atlas_url":"https://app.syntology.ai/?focus=2105.05686","mcp":null,"developers":"https://syntology.ai/developers"},"arxiv_metadata":null,"syntology_extracted_results":null}