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2025

Journal Article

Handling low homophily in recommender systems with partitioned graph transformer

Nguyen, Thanh Tam, Nguyen, Thanh Toan, Weidlich, Matthias, Jo, Jun, Nguyen, Quoc Viet Hung, Yin, Hongzhi and Liew, Alan Wee-Chung (2025). Handling low homophily in recommender systems with partitioned graph transformer. IEEE Transactions on Knowledge and Data Engineering, 37 (1), 334-350. doi: 10.1109/tkde.2024.3485880

Handling low homophily in recommender systems with partitioned graph transformer

2025

Conference Publication

Multi-task learning of heterogeneous hypergraph representations in LBSNs

Nguyen, Dong Duc Anh, Nguyen, Minh Hieu, Nguyen, Phi Le, Jo, Jun, Yin, Hongzhi and Nguyen, Thanh Tam (2025). Multi-task learning of heterogeneous hypergraph representations in LBSNs. 20th International Conference, ADMA 2024, Sydney, NSW, Australia, 3 - 5 December 2024. Heidelberg, Germany: Springer. doi: 10.1007/978-981-96-0821-8_11

Multi-task learning of heterogeneous hypergraph representations in LBSNs

2025

Conference Publication

Training-free LLM Merging for Multi-task Learning

Fu, Zichuan, Wu, Xian, Wang, Yejing, Wang, Wanyu, Ye, Shanshan, Yin, Hongzhi, Chang, Yi, Zheng, Yefeng and Zhao, Xiangyu (2025). Training-free LLM Merging for Multi-task Learning. 63rd Association for Computational Linguistics Meeting-ACL-Annual, Vienna, Austria, 27 July - 1 August 2025. Stroudsburg, PA United States: Association for Computational Linguistics. doi: 10.18653/v1/2025.acl-long.1588

Training-free LLM Merging for Multi-task Learning

2025

Journal Article

PUMA: efficient continual graph learning for node classification with graph condensation

Liu, Yilun, Qiu, Ruihong, Tang, Yanran, Yin, Hongzhi and Huang, Zi (2025). PUMA: efficient continual graph learning for node classification with graph condensation. IEEE Transactions on Knowledge and Data Engineering, 37 (1), 449-461. doi: 10.1109/tkde.2024.3485691

PUMA: efficient continual graph learning for node classification with graph condensation

2025

Conference Publication

Hyperbolic adversarial learning for personalized item recommendation

Zhang, Aoran, Yu, Yonghong, Xu, Gongyou, Gao, Rong, Zhang, Li, Gao, Shang and Yin, Hongzhi (2025). Hyperbolic adversarial learning for personalized item recommendation. 29th International Conference on Database Systems for Advanced Applications, DASFAA 2024, Gifu, Japan, 2-5 July 2024. Singapore: Springer Nature Singapore. doi: 10.1007/978-981-97-5555-4_20

Hyperbolic adversarial learning for personalized item recommendation

2025

Conference Publication

Disentangled representations for cross-domain recommendation via heterogeneous graph contrastive learning

Liu, Xinyue, Li, Bohan, Chen, Yijun, Li, Xiaoxue, Xu, Shuai and Yin, Hongzhi (2025). Disentangled representations for cross-domain recommendation via heterogeneous graph contrastive learning. 29th International Conference on Database Systems for Advanced Applications, DASFAA 2024, Gifu, Japan, 2-5 July 2024. Singapore: Springer Nature Singapore. doi: 10.1007/978-981-97-5555-4_3

Disentangled representations for cross-domain recommendation via heterogeneous graph contrastive learning

2025

Book Chapter

Resource-efficient model deployment for Enterprise AI

Chen, Tong, Yu, Junliang and Yin, Hongzhi (2025). Resource-efficient model deployment for Enterprise AI. Enterprise AI. (pp. 3-23) edited by Shazia Sadiq. Cham, Switzerland: Springer. doi: 10.1007/978-3-032-01940-0_1

Resource-efficient model deployment for Enterprise AI

2025

Conference Publication

Enhancing treatment effect estimation via active learning: a counterfactual covering perspective

Wen, Hechuan, Chen, Tong, Gong, Mingming, Chai, Li Kheng, Sadiq, Shazia and Yin, Hongzhi (2025). Enhancing treatment effect estimation via active learning: a counterfactual covering perspective. 42nd International Conference on Machine Learning, ICML 2025, Vancouver, Canada, 13-19 July 2025. SAN DIEGO: ML Research Press.

Enhancing treatment effect estimation via active learning: a counterfactual covering perspective

2024

Journal Article

A dual benchmarking study of facial forgery and facial forensics

Pham, Minh Tam, Huynh, Thanh Trung, Nguyen, Thanh Tam, Nguyen, Thanh Toan, Nguyen, Thanh Thi, Jo, Jun, Yin, Hongzhi and Hung Nguyen, Quoc Viet (2024). A dual benchmarking study of facial forgery and facial forensics. CAAI Transactions on Intelligence Technology, 9 (6), 1377-1397. doi: 10.1049/cit2.12362

A dual benchmarking study of facial forgery and facial forensics

2024

Journal Article

Reliable node similarity matrix guided contrastive graph clustering

Liu, Yunhui, Gao, Xinyi, He, Tieke, Zheng, Tao, Zhao, Jianhua and Yin, Hongzhi (2024). Reliable node similarity matrix guided contrastive graph clustering. IEEE Transactions on Knowledge and Data Engineering, 36 (12), 9123-9135. doi: 10.1109/tkde.2024.3435887

Reliable node similarity matrix guided contrastive graph clustering

2024

Journal Article

Hyperbolic translation-based sequential recommendation

Yu, Yonghong, Zhang, Aoran, Zhang, Li, Gao, Rong, Gao, Shang and Yin, Hongzhi (2024). Hyperbolic translation-based sequential recommendation. IEEE Transactions on Computational Social Systems, 11 (6), 7467-7483. doi: 10.1109/tcss.2024.3409711

Hyperbolic translation-based sequential recommendation

2024

Journal Article

Multi-level graph knowledge contrastive learning

Yang, Haoran, Wang, Yuhao, Zhao, Xiangyu, Chen, Hongxu, Yin, Hongzhi, Li, Qing and Xu, Guandong (2024). Multi-level graph knowledge contrastive learning. IEEE Transactions on Knowledge and Data Engineering, 36 (12), 8829-8841. doi: 10.1109/TKDE.2024.3466530

Multi-level graph knowledge contrastive learning

2024

Conference Publication

Watermarking recommender systems

Zhang, Sixiao, Long, Cheng, Yuan, Wei, Chen, Hongxu and Yin, Hongzhi (2024). Watermarking recommender systems. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID USA, 21-25 October 2024. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3627673.3679617

Watermarking recommender systems

2024

Conference Publication

Scalable dynamic embedding size search for streaming recommendation

Qu, Yunke, Qu, Liang, Chen, Tong, Zhao, Xiangyu, Nguyen, Quoc Viet Hung and Yin, Hongzhi (2024). Scalable dynamic embedding size search for streaming recommendation. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID USA, 21-25 October 2024. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3627673.3679638

Scalable dynamic embedding size search for streaming recommendation

2024

Conference Publication

Physics-guided active sample reweighting for urban flow prediction

Jiang, Wei, Chen, Tong, Ye, Guanhua, Zhang, Wentao, Cui, Lizhen, Huang, Zi and Yin, Hongzhi (2024). Physics-guided active sample reweighting for urban flow prediction. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID, United States, 21-25 October 2024. New York, United States: Association for Computing Machinery. doi: 10.1145/3627673.3679738

Physics-guided active sample reweighting for urban flow prediction

2024

Conference Publication

Preference prototype-aware learning for universal cross-domain recommendation

Zhang, Yuxi, Zhang, Ji, Xu, Feiyang, Chen, Lvying, Li, Bohan, Guo, Lei and Yin, Hongzhi (2024). Preference prototype-aware learning for universal cross-domain recommendation. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID USA, 21-25 October 2024. New York, NY USA: Association for Computing Machinery. doi: 10.1145/3627673.3679774

Preference prototype-aware learning for universal cross-domain recommendation

2024

Conference Publication

Efficient and robust regularized federated recommendation

Liu, Langming, Wang, Wanyu, Zhao, Xiangyu, Zhang, Zijian, Zhang, Chunxu, Lin, Shanru, Wang, Yiqi, Zou, Lixin, Liu, Zitao, Wei, Xuetao, Yin, Hongzhi and Li, Qing (2024). Efficient and robust regularized federated recommendation. 33rd ACM International Conference on Information and Knowledge Management (CIKM), Boise, ID, United States, 21-25 October 2024. New York, United States: Association for Computing Machinery. doi: 10.1145/3627673.3679682

Efficient and robust regularized federated recommendation

2024

Conference Publication

DNS-Rec: data-aware neural architecture search for recommender systems

Zhang, Sheng, Wang, Maolin, Zhao, Xiangyu, Guo, Ruocheng, Zhao, Yao, Zhuang, Chenyi, Gu, Jinjie, Zhang, Zijian and Yin, Hongzhi (2024). DNS-Rec: data-aware neural architecture search for recommender systems. 18h ACM Conference on Recommender Systems (RecSys), Bari, Italy, 14-18 October 2024. New York, United States: Association for Computing Machinery. doi: 10.1145/3640457.3688117

DNS-Rec: data-aware neural architecture search for recommender systems

2024

Journal Article

Manipulating recommender systems: A survey of poisoning attacks and countermeasures

Nguyen, Thanh Toan, Quoc Viet Hung, Nguyen, Nguyen, Thanh Tam, Huynh, Thanh Trung, Nguyen, Thanh Thi, Weidlich, Matthias and Yin, Hongzhi (2024). Manipulating recommender systems: A survey of poisoning attacks and countermeasures. ACM Computing Surveys, 57 (1) 3, 1-39. doi: 10.1145/3677328

Manipulating recommender systems: A survey of poisoning attacks and countermeasures

2024

Journal Article

Higher-order knowledge-enhanced recommendation with heterogeneous hypergraph multi-attention

Sakong, Darnbi, Vu, Viet Hung, Huynh, Thanh Trung, Nguyen, Phi Le, Yin, Hongzhi, Nguyen, Quoc Viet Hung and Nguyen, Thanh Tam (2024). Higher-order knowledge-enhanced recommendation with heterogeneous hypergraph multi-attention. Information Sciences, 680 121165, 121165. doi: 10.1016/j.ins.2024.121165

Higher-order knowledge-enhanced recommendation with heterogeneous hypergraph multi-attention