Zongwei Wang

2026

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When Graph Contrastive Learning Backfires: Spectral Vulnerability and Defense in Recommendation.

Zongwei Wang|Min Gao|Junliang Yu|Shazia Sadiq|Hongzhi Yin|Ling Liu

ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 2

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Prompt-Unknown Promotion Attacks against LLM-based Sequential Recommender Systems.

Hongzhi Yin|Seolhwa Lee|Yuchuan Zhao|Pengfei Wang|Anders Søgaard|Tong Chen|Junliang Yu|Zongwei Wang|Wei-Jing Zhu|Lizhen Cui|Pengfei Wang|Hongzhi Yin

Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026

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Prompt-Induced Linguistic Fingerprints for LLM-Generated Fake News Detection.

Chi Wang|Min Gao|Zongwei Wang|Junwei Yin|Kai Shu|Chenghua Lin

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

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PAMAS: Self-Adaptive Multi-Agent System with Perspective Aggregation for Misinformation Detection.

Zongwei Wang|Min Gao|Junliang Yu|Tong Chen|Chenghua Lin

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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Linking Ordered and Orderless Modeling for Sequential Recommendation.

Min Gao|Puneet Agarwal|Sijia Li|Puneet Agarwal|Min Gao|Zongwei Wang|Maya Ramanath|Yibing Bai|Gautam Shroff|Zongwei Wang|Maya Ramanath|Gautam Shroff|Yibing Bai|Wuhan Chen

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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Seeing Sequences like Humans: Pattern Classification Driven Time-Series Forecasting via Vision Language Models.

Xingyu Liu|Min Gao|Zongwei Wang|Yinbing Bai

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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Budget and Frequency Controlled Cost-Aware Model Extraction Attack on Sequential Recommenders.

Lei Zhou|Min Gao|Zongwei Wang|Yibing Bai

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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ID-Free Not Risk-Free: LLM-Powered Agents Unveil Risks in ID-Free Recommender Systems.

Zongwei Wang|Min Gao|Junliang Yu|Xinyi Gao|Quoc Viet Hung Nguyen|Shazia Sadiq|Hongzhi Yin

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

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Towards Secure and Robust Recommender Systems: A Data-Centric Perspective.

Zongwei Wang|Junliang Yu|Tong Chen|Hongzhi Yin|Shazia Sadiq|Min Gao

Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025

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Graph with Sequence: Broad-Range Semantic Modeling for Fake News Detection.

Junwei Yin|Min Gao|Kai Shu|Wentao Li|Yinqiu Huang|Zongwei Wang

Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2022

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Gray-Box Shilling Attack: An Adversarial Learning Approach.

Zongwei Wang|Min Gao|Jundong Li|Junwei Zhang|Jiang Zhong

ACM Transactions on Intelligent Systems and Technology (TIST) 2022 Volume 13 Issue 5

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ST-GSP: Spatial-Temporal Global Semantic Representation Learning for Urban Flow Prediction.

Liang Zhao|Min Gao|Zongwei Wang

WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022