Publications
Most up-to-date publications are here
Conference/Journal Papers
- Zhisheng Qi, Utkarsh Sahu, Li Ma, Haoyu Han, Ryan A. Rossi, Franck Dernoncourt, Mahantesh M Halappanavar, Nesreen K. Ahmed, Yushun Dong, Yue Zhao, Yu Zhang, Yu Wang
Benchmarking Knowledge-Extraction Attack and Defense on Retrieval-Augmented Generation
In Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD) 2026, Benchmark & Datasets Track (Oral) [Paper] [Code] - Haoyu Han, Li Ma, Yu Wang, Harry Shomer, Kai Guo, Yongjia Lei, Zhisheng Qi, Zhigang Hua, Bo Long, Hui Liu, Charu C. Aggarwal, Jiliang Tang
RAG vs. GraphRAG: A Systematic Evaluation and Key Insights
In Proceedings of the ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD) 2026, Benchmark & Datasets Track [Paper] - Utkarsh Sahu, Zhisheng Qi, Mahantesh Halappanavar, Nedim Lipka, Ryan A. Rossi, Franck Dernoncourt, Yu Zhang, Yao Ma, Yu Wang
Knowledge Homophily in Large Language Models
In Proceedings of the ACM Web Search and Data Mining (WSDM) 2026 [Paper] [Code]