2021

doi dblp
Seamlessly Unifying Attributes and Items: Conversational Recommendation for Cold-start Users
Shijun Li | Wenqiang Lei | Qingyun Wu | Xiangnan He | Peng Jiang | Tat-Seng Chua
2021 Volume 39 Issue 4

doi dblp
When and Whom to Collaborate with in a Changing Environment: A Collaborative Dynamic Bandit Solution
Chuanhao Li | Qingyun Wu | Hongning Wang
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

doi dblp
Estimation-Action-Reflection: Towards Deep Interaction Between Conversational and Recommender Systems
Wenqiang Lei | Xiangnan He | Yisong Miao | Qingyun Wu | Richang Hong | Min-Yen Kan | Tat-Seng Chua
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

2019

doi dblp
Variance Reduction in Gradient Exploration for Online Learning to Rank
Huazheng Wang | Sonwoo Kim | Eric McCord-Snook | Qingyun Wu | Hongning Wang
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

doi dblp
Dynamic Ensemble of Contextual Bandits to Satisfy Users' Changing Interests
Qingyun Wu | Huazheng Wang | Yanen Li | Hongning Wang
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

doi dblp
Learning Contextual Bandits in a Non-stationary Environment
Qingyun Wu | Naveen Iyer | Hongning Wang
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

2017

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Returning is Believing: Optimizing Long-term User Engagement in Recommender Systems
Qingyun Wu | Hongning Wang | Liangjie Hong | Yue Shi
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

2016

doi dblp
Contextual Bandits in a Collaborative Environment
Qingyun Wu | Huazheng Wang | Quanquan Gu | Hongning Wang
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

doi dblp
Learning Hidden Features for Contextual Bandits
Huazheng Wang | Qingyun Wu | Hongning Wang
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

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