An ensemble of finetuned cross-encoders and GPT-4o rerankers over dense-vector retrieval achieved rank 10 in BioASQ 2025 Phase A retrieval and rank 1 on factoid answers.
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Beyond Retrieval: Ensembling Cross-Encoders and GPT Rerankers with LLMs for Biomedical QA
An ensemble of finetuned cross-encoders and GPT-4o rerankers over dense-vector retrieval achieved rank 10 in BioASQ 2025 Phase A retrieval and rank 1 on factoid answers.