BiXSE trains dense retrievers with binary cross-entropy on LLM-generated graded relevance probabilities, consistently beating InfoNCE and roughly matching pairwise ranking baselines.
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BiXSE: Improving Dense Retrieval via Probabilistic Graded Relevance Distillation
BiXSE trains dense retrievers with binary cross-entropy on LLM-generated graded relevance probabilities, consistently beating InfoNCE and roughly matching pairwise ranking baselines.