Unverified50% confidenceFactExact time

ANCE 通过定期刷新ANN索引从全库为每个查询动态检索难负样本，但在百万级语料库上重建索引可能耗费数小时

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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Unverified游标分页在百万级以上数据量的表中效果尤为显著，查询时间可从数秒降至毫秒级68% similar Unverified通过构建测试向量数据库并借助RAG技术，可以将过去需要数小时翻阅的历史测试资料实现秒级检索获取64% similar

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