Batch-Mix Negative Sampling for Learning Recommendation Retrievers

1 code implementation • CIKM 2023 • Yongfu Fan, Jin Chen, Yongquan Jiang, Defu Lian, Fangda Guo, Kai Zheng

Recommendation retrievers commonly retrieve user potentially preferred items from numerous items, where the query and item representation are learned according to the dual encoders with the log-softmax loss.

Collaborative Filtering Selection bias