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用完rerank后性能反而下降 #114

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hzy312 opened this issue Dec 25, 2024 · 1 comment

hzy312 commented Dec 25, 2024 •

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使用提供的wiki18_100w作为语料
用e5-base-v2先retrieve，top50
然后用bge-reranker-base做rerank，得到top5
性能比直接用e5-base-v2 retrieve top5性能要差，有任何可能的原因吗？

根据bergen中的结论，虽然用的retriever和rerank不同，但是使用rerank应该是能够稳定提升rag性能的。
https://github.com/naver/bergen

hahaha1121871443 commented Jan 8, 2025

您好，我也遇到了同样的问题，请问你知道原因了吗？

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