Siyu Wang

2025

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Retentive Decision Transformer with Adaptive Masking for Reinforcement Learning-Based Recommendation Systems.
Siyu Wang|Xiaocong Chen|Lina Yao
ACM Transactions on Intelligent Systems and Technology (TIST) 2025 Volume 16 Issue 3
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Energy-Guided Diffusion Sampling for Long-Term User Behavior Prediction in Reinforcement Learning-based Recommendation.
Xiaocong Chen|Siyu Wang|Lina Yao
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Maximum In-Support Return Modeling for Dynamic Recommendation with Language Model Prior.
Xiaocong Chen|Siyu Wang|Lina Yao
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Policy-Guided Causal State Representation for Offline Reinforcement Learning Recommendation.
Siyu Wang|Xiaocong Chen|Lina Yao
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

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On the Opportunities and Challenges of Offline Reinforcement Learning for Recommender Systems.
Xiaocong Chen|Siyu Wang|Julian J. McAuley|Dietmar Jannach|Lina Yao
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 6
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On Causally Disentangled State Representation Learning for Reinforcement Learning based Recommender Systems.
Siyu Wang|Xiaocong Chen|Lina Yao
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

2023

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Intrinsically motivated reinforcement learning based recommendation with counterfactual data augmentation.
Xiaocong Chen|Siyu Wang|Lianyong Qi|Yong Li|Lina Yao
World Wide Web (WWW) 2023 Volume 26 Issue 5
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Causal Decision Transformer for Recommender Systems via Offline Reinforcement Learning.
Siyu Wang|Xiaocong Chen|Dietmar Jannach|Lina Yao
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Causal Disentangled Variational Auto-Encoder for Preference Understanding in Recommendation.
Siyu Wang|Xiaocong Chen|Quan Z. Sheng|Yihong Zhang|Lina Yao
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023