Matching primary charge explains 99.2% of the NDCG@10 gap between BM25 and best systems on LeCaRDv2 because benchmark relevance is defined by charge-encoding elements.
Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) , pages =
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Charge as a Construct-Validity Factor in Chinese Legal Case Retrieval: A Cross-Benchmark Audit
Matching primary charge explains 99.2% of the NDCG@10 gap between BM25 and best systems on LeCaRDv2 because benchmark relevance is defined by charge-encoding elements.