Edith C. H. Ngai

2026

DGGVAE: Dual-Granularity Graph Variational Auto-Encoder for Group Recommendation.

Jinfeng Xu|Zheyu Chen|Jinze Li|Shuo Yang|Wei Wang|Hewei Wang|Yijie Li|Xiping Hu|Edith C. H. Ngai

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

FUSED: Toward Federated Multimodal Retrieval across Sovereign Data Domains.

Chi Xu|Jiaxing Li|Mengdi Jin|William I. Atlas|Mark A. Spoljaric|Edith C. H. Ngai|Jiangchuan Liu

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.

RAMA: Retrieval-Augmented Multi-Agent Framework for Misinformation Detection in Multimodal Fact-Checking.

Shuo Yang|Zijian Yu|Zhenzhe Ying|Yuqin Dai|Guoqing Wang|Jun Lan|Jinfeng Xu|Jinze Li|Edith C. H. Ngai

Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

2025

Fragment of Interest: Personalized Video Fragment Recommendation with Inter-Fragment & Intra-Fragment Contextual Effect.

Jiaqi Wang|Ricky Yu-Kwong Kwok|Edith C. H. Ngai

ACM Transactions on the Web 2025 Volume 19 Issue 1

Enhancing Graph Collaborative Filtering with FourierKAN Feature Transformation.

Jinfeng Xu|Zheyu Chen|Jinze Li|Shuo Yang|Wei Wang|Xiping Hu|Edith C. H. Ngai

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

COHESION: Composite Graph Convolutional Network with Dual-Stage Fusion for Multimodal Recommendation.

Jinfeng Xu|Zheyu Chen|Wei Wang|Xiping Hu|Sang-Wook Kim|Edith C. H. Ngai

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

2024

Multi-Scale Contrastive Attention Representation Learning for Encrypted Traffic Classification.

Shuo Yang|Xinran Zheng|Jinze Li|Jinfeng Xu|Edith C. H. Ngai

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

AlignGroup: Learning and Aligning Group Consensus with Member Preferences for Group Recommendation.

Jinfeng Xu|Zheyu Chen|Jinze Li|Shuo Yang|Hewei Wang|Edith C. H. Ngai

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

2022

Auto-weighted Robust Federated Learning with Corrupted Data Sources.

Shenghui Li|Edith C. H. Ngai|Fanghua Ye|Thiemo Voigt

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

2018

Detecting Ponzi Schemes on Ethereum: Towards Healthier Blockchain Technology.

Weili Chen|Zibin Zheng|Jiahui Cui|Edith C. H. Ngai|Peilin Zheng|Yuren Zhou

Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018