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Picture for Hechang Chen

Enhanced Doubly Robust Learning for Debiasing Post-click Conversion Rate Estimation

May 28, 2021
Siyuan Guo, Lixin Zou, Yiding Liu, Wenwen Ye, Suqi Cheng, Shuaiqiang Wang, Hechang Chen, Dawei Yin, Yi Chang

* 10 pages, 3 figures, accepted by SIGIR 2021 

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Self-paced Ensemble for Highly Imbalanced Massive Data Classification

Sep 10, 2019
Zhining Liu, Wei Cao, Zhifeng Gao, Jiang Bian, Hechang Chen, Yi Chang, Tie-Yan Liu

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