Chongming GAO | 高崇铭

Ph.D. student @ University of Science and Technology of China (USTC)

Mentor: Xiangnan He (何向南).

Research Interest: Recommender Systems, Data Mining


| 619082231
chongming.gao@gmail.com

Hefei, China

Download:   RESUME  /  中文简历

Education

University of Science and Technology of China (USTC)
2020.09 - 2024.06 (expected)
Ph.D. student in School of Information Science and Technology.
Research topics: Information Retrieval, Recommender systems.
University of Electronic Science and Technology of China (UESTC)
2016.09 - 2019.07
M.Eng. in Department of Computer Science and Technology.
Thesis: Trajectory Semantic Representation and Location Recommender Systems.
University of Electronic Science and Technology of China (UESTC)
2012.09 - 2016.06
B.Eng. in Yingcai Honors College (An elite program). GPA: 3.81, Ranking: 9/72
Thesis: Synchronization-inspired Co-clustering and Its Application to Gene Data.

Industry Experiences

Kuaishou 快手
2020.09 – Now
Research Intern 研究实习生
Advisor: 江鹏, 何向南.
Research topics: Interactive/Conversational recommender system.
Alibaba Damo Academy 阿里巴巴达摩院
2023.03 – Now
Research Intern 研究实习生
Advisor: 陈子谦, 高金杨.
Research topics: AI for social science.
Alibaba 阿里巴巴
2019.03 – 2019.09
Research Intern 研究实习生.
Advisor: 聂再清.
Research topics: Shared-account-aware recommender system.

Selected Research

Alleviating Matthew Effect of Offline Reinforcement Learning in Interactive Recommendation
Chongming Gao, Kexin Huang, Jiawei Chen, Yuan Zhang, Biao Li, Peng Jiang, Shiqi Wang, Zhong Zhang, Xiangnan He
SIGIR '23 International ACM SIGIR Conference, 2023. Best Paper Honorable Mention
Download: [PDF] [Slides] [Code] [知乎]
CIRS: Bursting Filter Bubbles by Counterfactual Interactive Recommender System
Chongming Gao, Wenqiang Lei, Jiawei Chen, Shiqi Wang, Xiangnan He, Shijun Li, Biao Li, Yuan Zhang, Peng Jiang
TOIS '23 ACM Transactions on Information Systems.
Download: [PDF] [Slides] [Code] [知乎]

Tutorial

RecSys 2021 Tutorial on Conversational Recommendation: Formulation, Methods, and Evaluation
Wenqiang Lei, Chongming Gao, Maarten de Rijke
RecSys 2021 Tutorial.
Download: [Slides (3 hours)] | Tutorial

Resource Paper

KuaiRand: An Unbiased Sequential Recommendation Dataset with Randomly Exposed Videos
Chongming Gao, Shijun Li, Yuan Zhang, Jiawei Chen, Biao Li, Xiangnan He, Wenqiang Lei, Peng Jiang
CIKM '22 International Conference on Information and Knowledge Management, 2022.
Download: [PDF] [Webpage] [知乎]
KuaiRec: A Fully-observed Dataset and Insights for Evaluating Recommender Systems
Chongming Gao, Shijun Li, Wenqiang Lei, Biao Li, Peng Jiang, Jiawei Chen, Xiangnan He, Jiaxin Mao, Tat-Seng Chua
CIKM '22 International Conference on Information and Knowledge Management, 2022.
Download: [PDF] [Webpage] [知乎] [Statistics] [Demo]

Research

Embracing Uncertainty: Adaptive Vague Preference Policy Learning for Multi-round Conversational Recommendation
Gangyi Zhang, Chongming Gao, Wenqiang Lei, Xiaojie Guo, Shijun Li, Lingfei Wu, Hongshen Chen, Zhuozhi Ding, Sulong Xu, Xiangnan He
Preprint
Download: [PDF]
On the Theories Behind Hard Negative Sampling for Recommendation
Wentao Shi, Jiawei Chen, Fuli Feng, Jizhi Zhang, Junkang Wu, Chongming Gao, Xiangnan He
WWW '23 International World Wide Web Conference.
Download: [PDF] [Slides] [Code]
Who Are the Best Adopters? User Selection Model for Free Trial Item Promotion
Shiqi Wang, Chongming Gao, Min Gao, Junliang Yu, Zongwei Wang, Hongzhi Yin
TBD '22 IEEE Transactions on Big Data.
Download: [PDF]
Advances and Challenges in Conversational Recommender Systems: A Survey
Chongming Gao, Wenqiang Lei, Xiangnan He, Maarten de Rijke, Tat-Seng Chua
Survey Paper AI Open [J], 2021.
Download: [PDF, slide (45 minutes)] | Survey
Semantic Trajectory Representation and Retrieval via Hierarchical Embedding
Chongming Gao, Chen Huang, Zhong Zhang, Qinli Yang, Junming Shao
IS Information Sciences [J], 2020.
Download: [PDF]
Revisiting Representation Degeneration Problem in Language Modeling
Zhong Zhang, Chongming Gao, Cong Xu, Rui Miao, Qinli Yang, Junming Shao
EMNLP EMNLP | Findings, 2020.
Download: [PDF]
Towards Robust Arbitrarily Oriented Subspace Clustering
Zhong Zhang, Chongming Gao, Chongzhi Liu, Qinli Yang, Junming Shao
DASFAA Database Systems for Advanced Applications, 2019.
Download: [PDF] | Best Paper
BLOMA: Explain Collaborative Filtering via Boosted Local Rank-One Matrix Approximation
Chongming Gao, Shuai Yuan, Zhong Zhang, Hongzhi Yin, Junming Shao
DASFAA Database Systems for Advanced Applications, 2019.
Download: [poster] | Short Paper
Semantic Trajectory Compression via Multi-resolution Synchronization-based Clustering
Chongming Gao, Yi Zhao, Ruizhi Wu, Qinli Yang, Junming Shao
KBS Knowledge-Based Systems [J], 2020.
Download: [PDF]
Online Budgeted Least Squares with Unlabeled Data
Chen Huang, Peiyan Li, Chongming Gao, Qinli Yang, Junming Shao
ICDM IEEE International Conference on Data Mining, 2019.
Download: [PDF]
Generating Reliable Friends via Adversarial Training to Improve Social Recommendation
Junliang Yu, Min Gao, Hongzhi Yin, Jundong Li, Chongming Gao, Qinyong Wang
ICDM IEEE International Conference on Data Mining, 2019.
Download: [PDF] [code]
SemiSync: Semi-supervised Clustering by Synchronization
Zhong Zhang, DiDi Kang, Chongming Gao, Junming Shao
DASFAA Database Systems for Advanced Applications, 2019.
Download: [PDF] | Short Paper
Synchronization-inspired Co-clustering and Its Application to Gene Expression Data
Junming Shao, Chongming Gao, Wei Zeng, Jingkuan Song, Qinli Yang
ICDM IEEE International Conference on Data Mining, 2017.
Download: [PDF]

Awards & Honors

2019 One of our papers won the Best Paper Honorable Mention Award of SIGIR 2023 (CCF A).
2019 One of our papers won the Best Paper Award of DASFAA 2019 (CORE2018 Rank B, CCF B).
2019 Outstanding Master's Thesis Award of UESTC.
2019 Outstanding Graduate Student Award of UESTC.
2016 Rank No.1 in Undergraduate Thesis Defense of UESTC. Outstanding undergraduate graduation thesis award.
2016 Honorary Graduate of UESTC. Top 10 in Yingcai Honors College.
2014 Meritorious Winner for CSIAM's China Undergraduate Mathematical Contest in Modeling.
2013 First Prize in Sichuan Contest District in China Undergraduate Mathematical Contest in Modeling.
2012 TANG Lixin Scholarship of UESTC. Top 60 out of over 25,000 undergraduate and graduate students at UESTC.
2012 Rank No.1 in entering UESTC from Yunnan Province (Score: 614).