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Real-Time Hard Negative Sampling via LLM-based Clustering for Large-Scale Two-Tower Retrieval
用LLM聚类实现实时难负样本采样，直击双塔检索训练瓶颈，规模越大收益越明显。
arXiv:2607.00448v1 Announce Type: cross Abstract: The two-tower model has been widely used for large-scale recommendation systems, particularly in the…