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Junwei Pan

Trading Hard Negatives and True Negatives: A Debiased Contrastive Collaborative Filtering Approach



Chenxiao Yang , Qitian Wu , Jipeng Jin , Xiaofeng Gao , Junwei Pan , Guihai Chen

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* in IJCAI 2022 
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Impression Allocation and Policy Search in Display Advertising



Di Wu , Cheng Chen , Xiujun Chen , Junwei Pan , Xun Yang , Qing Tan , Jian Xu , Kuang-Chih Lee

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Cross-Task Knowledge Distillation in Multi-Task Recommendation



Chenxiao Yang , Junwei Pan , Xiaofeng Gao , Tingyu Jiang , Dapeng Liu , Guihai Chen

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* AAAI 2022 
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Follow the Prophet: Accurate Online Conversion Rate Prediction in the Face of Delayed Feedback



Haoming Li , Feiyang Pan , Xiang Ao , Zhao Yang , Min Lu , Junwei Pan , Dapeng Liu , Lei Xiao , Qing He

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* In Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR '21), July 11--15, 2021, Virtual Event, Canada. ACM, New York, NY, USA, 5 pages. https://doi.org/10.1145/3404835.3463045 
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An Efficient Deep Distribution Network for Bid Shading in First-Price Auctions



Tian Zhou , Hao He , Shengjun Pan , Niklas Karlsson , Bharatbhushan Shetty , Brendan Kitts , Djordje Gligorijevic , San Gultekin , Tingyu Mao , Junwei Pan , Jianlong Zhang , Aaron Flores

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* In Proceedings of the 27th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD'21), August 14-18, 2021, Singapore 
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$FM^2$: Field-matrixed Factorization Machines for Recommender Systems



Yang Sun , Junwei Pan , Alex Zhang , Aaron Flores

* In Proceedings of the Web Conference 2021 (WWW 2021), April 19-23, 2021, Ljubljana, Slovenia. 10 pages 
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Optimizing Multiple Performance Metrics with Deep GSP Auctions for E-commerce Advertising



Zhilin Zhang , Xiangyu Liu , Zhenzhe Zheng , Chenrui Zhang , Miao Xu , Junwei Pan , Chuan Yu , Fan Wu , Jian Xu , Kun Gai

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* To appear in the Proceedings of the 14th ACM International Conference on Web Search and Data Mining (WSDM), 2021 
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Bid Shading by Win-Rate Estimation and Surplus Maximization



Shengjun Pan , Brendan Kitts , Tian Zhou , Hao He , Bharatbhushan Shetty , Aaron Flores , Djordje Gligorijevic , Junwei Pan , Tingyu Mao , San Gultekin , Jianlong Zhang

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* AdKDD 2020 
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