Unverified50% confidenceFactExact time
对比学习在文本检索领域的突破来自2021年的DPR和SimCSE；DPR验证了双塔结构+批内负例策略在开放域问答检索上可超越BM25
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
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