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2026

Journal Article

Scalable and effective negative sample generation for hyperedge prediction

Qu, Shilin, Wang, Weiqing, Li, Yuan-Fang, Nguyen, Quoc Viet Hung and Yin, Hongzhi (2026). Scalable and effective negative sample generation for hyperedge prediction. Neural Networks, 193 108034, 1-13. doi: 10.1016/j.neunet.2025.108034

Scalable and effective negative sample generation for hyperedge prediction

2025

Journal Article

DecKG: decentralized collaborative learning with knowledge graph enhancement for POI recommendation

Zheng, Ruiqi, Qu, Liang, Ye, Guanhua, Chen, Tong, Shi, Yuhui and Yin, Hongzhi (2025). DecKG: decentralized collaborative learning with knowledge graph enhancement for POI recommendation. Information Sciences, 721 122570, 122570-721. doi: 10.1016/j.ins.2025.122570

DecKG: decentralized collaborative learning with knowledge graph enhancement for POI recommendation

2025

Journal Article

FELLAS: enhancing federated sequential recommendation with LLM as external services

Yuan, Wei, Yang, Chaoqun, Ye, Guanhua, Chen, Tong, Hung, Nguyen Quoc Viet and Yin, Hongzhi (2025). FELLAS: enhancing federated sequential recommendation with LLM as external services. ACM Transactions on Information Systems, 43 (6) 144, 1-24. doi: 10.1145/3709138

FELLAS: enhancing federated sequential recommendation with LLM as external services

2025

Conference Publication

Data watermarking for sequential recommender systems

Zhang, Sixiao, Long, Cheng, Yuan, Wei, Chen, Hongxu and Yin, Hongzhi (2025). Data watermarking for sequential recommender systems. The 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Toronto, Canada, 3-7 August 2025. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3711896.3736903

Data watermarking for sequential recommender systems

2025

Conference Publication

Multi-task offline reinforcement learning for online advertising in recommender systems

Liu, Langming, Wang, Wanyu, Zhang, Chi, Li, Bo, Yin, Hongzhi, Wei, Xuetao, Su, Wenbo, Zheng, Bo and Zhao, Xiangyu (2025). Multi-task offline reinforcement learning for online advertising in recommender systems. The 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Toronto, Canada, 3-7 August 2025. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3711896.3737250

Multi-task offline reinforcement learning for online advertising in recommender systems

2025

Conference Publication

FindRec: Stein-guided entropic flow for multi-modal sequential recommendation

Wang, Maolin, Xiao, Yutian, Wang, Binhao, Zhang, Sheng, Ye, Shanshan, Wang, Wanyu, Yin, Hongzhi, Guo, Ruocheng and Xu, Zenglin (2025). FindRec: Stein-guided entropic flow for multi-modal sequential recommendation. The 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Toronto, Canada, 3-7 August 2025. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3711896.3736968

FindRec: Stein-guided entropic flow for multi-modal sequential recommendation

2025

Conference Publication

Contrastive graph condensation: advancing data versatility through self-supervised learning

Gao, Xinyi, Li, Yayong, Chen, Tong, Ye, Guanhua, Zhang, Wentao and Yin, Hongzhi (2025). Contrastive graph condensation: advancing data versatility through self-supervised learning. The 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Toronto, Canada, 3-7 August 2025. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3711896.3736892

Contrastive graph condensation: advancing data versatility through self-supervised learning

2025

Journal Article

RobGC: towards robust graph condensation

Gao, Xinyi, Yin, Hongzhi, Chen, Tong, Ye, Guanhua, Zhang, Wentao and Cui, Bin (2025). RobGC: towards robust graph condensation. IEEE Transactions on Knowledge and Data Engineering, 37 (8), 4791-4804. doi: 10.1109/tkde.2025.3569629

RobGC: towards robust graph condensation

2025

Journal Article

A survey of machine unlearning

Nguyen, Thanh Tam, Huynh, Thanh Trung, Ren, Zhao, Nguyen, Phi Le, Liew, Alan Wee-Chung, Yin, Hongzhi and Nguyen, Quoc Viet Hung (2025). A survey of machine unlearning. ACM Transactions on Intelligent Systems and Technology, 16 (5) 3749987, 1-46. doi: 10.1145/3749987

A survey of machine unlearning

2025

Conference Publication

Progressive Generalization Risk Reduction for Data-Efficient Causal Effect Estimation

Wen, Hechuan, Chen, Tong, Ye, Guanhua, Chai, Li Kheng, Sadiq, Shazia and Yin, Hongzhi (2025). Progressive Generalization Risk Reduction for Data-Efficient Causal Effect Estimation. KDD '25: The 31st ACM SIGKDD Conference on Knowledge Discovery and Data Mining, Toronto, Canada, 3 - 7 August 2025. New York, NY United States: Association for Computing Machinery. doi: 10.1145/3690624.3709305

Progressive Generalization Risk Reduction for Data-Efficient Causal Effect Estimation

2025

Conference Publication

Diversity-aware dual-promotion poisoning attack on sequential recommendation

Zhao, Yuchuan, Chen, Tong, Yu, Junliang, Zheng, Kai, Cui, Lizhen and Yin, Hongzhi (2025). Diversity-aware dual-promotion poisoning attack on sequential recommendation. 48th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR 2025), Padua, Italy, 13-18 July 2025. New York, NY, United States: Association for Computing Machinery. doi: 10.1145/3726302.3729955

Diversity-aware dual-promotion poisoning attack on sequential recommendation

2025

Conference Publication

ID-free not risk-free: LLM-powered agents unveil risks in ID-free recommender systems

Wang, Zongwei, Gao, Min, Yu, Junliang, Gao, Xinyi, Nguyen, Quoc Viet Hung, Sadiq, Shazia and Yin, Hongzhi (2025). ID-free not risk-free: LLM-powered agents unveil risks in ID-free recommender systems. 48th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR 2025), Padua, Italy, 13-18 July 2025. New York, NY, United States: Association for Computing Machinery. doi: 10.1145/3726302.3730003

ID-free not risk-free: LLM-powered agents unveil risks in ID-free recommender systems

2025

Conference Publication

Towards distribution matching between collaborative and language spaces for generative recommendation

Zhang, Yi, Zhang, Yiwen, Wang, Yu, Chen, Tong and Yin, Hongzhi (2025). Towards distribution matching between collaborative and language spaces for generative recommendation. 48th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR 2025), Padua, Italy, 13-18 July 2025. New York, NY, United States: Association for Computing Machinery. doi: 10.1145/3726302.3730098

Towards distribution matching between collaborative and language spaces for generative recommendation

2025

Conference Publication

STAR-Rec: Making peace with length variance and pattern diversity in sequential recommendation

Wang, Maolin, Zhang, Sheng, Guo, Ruocheng, Wang, Wanyu, Wei, Xuetao, Liu, Zitao, Yin, Hongzhi, Chang, Yi and Zhao, Xiangyu (2025). STAR-Rec: Making peace with length variance and pattern diversity in sequential recommendation. 48th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (ACM SIGIR 2025), Padua, Italy, 13-18 July 2025. New York, NY, United States: Association for Computing Machinery. doi: 10.1145/3726302.3730087

STAR-Rec: Making peace with length variance and pattern diversity in sequential recommendation

2025

Journal Article

Lightweight Embeddings with Graph Rewiring for Collaborative Filtering

Liang, Xurong, Chen, Tong, Yuan, Wei and Yin, Hongzhi (2025). Lightweight Embeddings with Graph Rewiring for Collaborative Filtering. ACM Transactions on Information Systems, 43 (4) 108, 1-29. doi: 10.1145/3742424

Lightweight Embeddings with Graph Rewiring for Collaborative Filtering

2025

Journal Article

HGDNet: De-noised Review-based Rating Prediction using Hierarchical Gating and Discriminative Networks

Ma, Jingwei, Wen, Jiahui, Zhu, Lei, Zhong, Mingyang, Xu, Yang, Guo, Lei and Yin, Hongzhi (2025). HGDNet: De-noised Review-based Rating Prediction using Hierarchical Gating and Discriminative Networks. ACM Transactions on Information Systems, 43 (5) 140, 1-26. doi: 10.1145/3746282

HGDNet: De-noised Review-based Rating Prediction using Hierarchical Gating and Discriminative Networks

2025

Journal Article

Coherence-guided preference disentanglement for cross-domain recommendations

Xiang, Zongyi, Zhang, Yan, Duan, Lixin, Yin, Hongzhi and Ivor, W. Tsang (2025). Coherence-guided preference disentanglement for cross-domain recommendations. ACM Transactions on Information Systems, 43 (4) 109, 1-28. doi: 10.1145/3742855

Coherence-guided preference disentanglement for cross-domain recommendations

2025

Journal Article

Knowledge Enhancement and Temporal Aware for Multi-Behavior Contrastive Recommendation

Xuan, Hongrui, Li, Bohan, Wu, Wenlong, Liu, Yi and Yin, Hongzhi (2025). Knowledge Enhancement and Temporal Aware for Multi-Behavior Contrastive Recommendation. ACM Transactions on Intelligent Systems and Technology, 16 (5), 1-23. doi: 10.1145/3735512

Knowledge Enhancement and Temporal Aware for Multi-Behavior Contrastive Recommendation

2025

Conference Publication

CADRL: category-aware dual-agent reinforcement learning for explainable recommendations over knowledge graphs

Zheng, Shangfei, Yin, Hongzhi, Chen, Tong, Kong, Xiangjie, Hou, Jian and Zhao, Pengpeng (2025). CADRL: category-aware dual-agent reinforcement learning for explainable recommendations over knowledge graphs. 2025 IEEE 41st International Conference on Data Engineering (ICDE), Hong Kong, Hong Kong, 19-23 May 2025. Piscataway, NJ, United States: IEEE. doi: 10.1109/icde65448.2025.00017

CADRL: category-aware dual-agent reinforcement learning for explainable recommendations over knowledge graphs

2025

Conference Publication

Training-Free Heterogeneous Graph Condensation via Data Selection

Liang, Yuxuan, Zhang, Wentao, Gao, Xinyi, Yang, Ling, Chen, Chong, Yin, Hongzhi, Tong, Yunhai and Cui, Bin (2025). Training-Free Heterogeneous Graph Condensation via Data Selection. IEEE. doi: 10.1109/icde65448.2025.00132

Training-Free Heterogeneous Graph Condensation via Data Selection