[KongchangAI]
Unverified50% confidenceFactExact time

双塔检索中用户塔和物品塔解耦,物品向量可离线预计算并建立近似最近邻索引(如FAISS),从而在毫秒级完成亿级候选的快速检索

1
Sources
50%
Confidence
Long-term
Relevance
9/21/2026
First Seen

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