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Walid Krichene and Steffen Rendle. 2020. On Sampled Metrics for Item Recommendation. In Proceedings of the 26th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining (KDD '20). DOI:https://doi.org/10.1145/3394486.340322
引言
Evaluation Metrics
Sampled Metrics (采样评估)
采样评估的数学期望
采样评估的校正
实验
结论