[KongchangAI]
Unverified50% confidenceTradeoffExact time

ANCE通过定期刷新ANN索引从全库动态检索难负样本，但需重新编码全量文档并暂停梯度更新，代价高昂

1
Sources
50%
Confidence
Long-term
Relevance
7/15/2026
First Seen

Sources

New Retrieval Paradigms: Hobbit's Hard Negative Construction and Disco's Collaborative Coverage Index Design

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