Wei Xia

2025

doi dblp
LLM4CD: Leveraging Large Language Models for Open-World Knowledge Augmented Cognitive Diagnosis.
Weiming Zhang|Lingyue Fu|Qingyao Li|Kounianhua Du|Jianghao Lin|Jingwei Yu|Wei Xia|Weinan Zhang|Ruiming Tang|Yong Yu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Simulating Question-answering Correctness with a Conditional Diffusion.
Ting Long|Li'ang Yin|Yi Chang|Wei Xia|Yong Yu
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp
SINKT: A Structure-Aware Inductive Knowledge Tracing Model with Large Language Model.
Lingyue Fu|Hao Guan|Kounianhua Du|Jianghao Lin|Wei Xia|Weinan Zhang|Ruiming Tang|Yasheng Wang|Yong Yu
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
HiFI: Hierarchical Fairness-aware Integrated Ranking with Constrained Reinforcement Learning.
Yifan Liu|Wei Xia|Weiwen Liu|Menghui Zhu|Weinan Zhang|Ruiming Tang|Yong Yu
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

doi dblp
Graph Enhanced Hierarchical Reinforcement Learning for Goal-oriented Learning Path Recommendation.
Qingyao Li|Wei Xia|Li'ang Yin|Jian Shen|Renting Rui|Weinan Zhang|Xianyu Chen|Ruiming Tang|Yong Yu
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Optimal Real-Time Bidding Strategy for Position Auctions in Online Advertising.
Weitong Ou|Bo Chen|Weiwen Liu|Xinyi Dai|Weinan Zhang|Wei Xia|Xuan Li|Ruiming Tang|Yong Yu
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
doi dblp
Integrated Ranking for News Feed with Reinforcement Learning.
Menghui Zhu|Wei Xia|Weiwen Liu|Yifan Liu|Ruiming Tang|Weinan Zhang
Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

doi dblp
Balancing Utility and Exposure Fairness for Integrated Ranking with Reinforcement Learning.
Wei Xia|Weiwen Liu|Yifan Liu|Ruiming Tang
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Improving Knowledge Tracing with Collaborative Information.
Ting Long|Jiarui Qin|Jian Shen|Weinan Zhang|Wei Xia|Ruiming Tang|Xiuqiang He|Yong Yu
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022