Qingyun Sun

2026

doi dblp
Graph Diffusion Evolution Model for Multi-Conditional Molecular Generation.
Xingcheng Fu|Lingyun Liu|Yisen Gao|Tianyu Chen|Qingyun Sun|Jianxin Li|Xianxian Li
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.
doi dblp
Unifying Deductive and Abductive Reasoning in Knowledge Graphs with Masked Diffusion Model.
Yisen Gao|Jiaxin Bai|Yi Huang|Xingcheng Fu|Qingyun Sun|Yangqiu Song
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.
doi dblp
Towards Geometry-Consistent Federated Graph Learning.
Yuecen Wei|Zhiyu Zhuang|Yisen Gao|Xingcheng Fu|Qingyun Sun|Ziwei Zhang|Tianyu Wo|Chunming Hu
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.
doi dblp
RAG-GFM: Overcoming In-Memory Bottlenecks in Graph Foundation Models via Retrieval-Augmented Generation.
Haonan Yuan|Qingyun Sun|Jiacheng Tao|Xingcheng Fu|Jianxin Li
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.
doi dblp
GraphRAG-R1: Graph Retrieval-Augmented Generation with Process-Constrained Reinforcement Learning.
Chuanyue Yu|Kuo Zhao|Yuhan Li|Heng Chang|Mingjian Feng|Xiangzhe Jiang|Yufei Sun|Jia Li|Yuzhi Zhang|Qingyun Sun|Jianxin Li|Ziwei Zhang
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

doi dblp
Frontiers in Graph Machine Learning for the Large Model Era.
Qingyun Sun|Ziwei Zhang|Xingcheng Fu|Yangqiu Song|Jianxin Li|Philip S. Yu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
Graph Size-imbalanced Learning with Energy-guided Structural Smoothing.
Jiawen Qin|Pengfeng Huang|Qingyun Sun|Cheng Ji|Xingcheng Fu|Jianxin Li
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
Robust Graph Learning Against Adversarial Evasion Attacks via Prior-Free Diffusion-Based Structure Purification.
Jiayi Luo|Qingyun Sun|Haonan Yuan|Xingcheng Fu|Jianxin Li
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

doi dblp
L-APPLE: Language-agnostic Prototype Prefix Learning for Cross-lingual Event Detection.
Ziqin Zhu|Xutan Peng|Qian Li|Cheng Ji|Qingyun Sun|Jianxin Li
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
Dynamic Graph Information Bottleneck.
Haonan Yuan|Qingyun Sun|Xingcheng Fu|Cheng Ji|Jianxin Li
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

doi dblp
Type Information Utilized Event Detection via Multi-Channel GNNs in Electrical Power Systems.
Qian Li|Jianxin Li|Lihong Wang|Cheng Ji|Yiming Hei|Jiawei Sheng|Qingyun Sun|Shan Xue|Pengtao Xie
ACM Transactions on the Web 2023 Volume 17 Issue 3
doi dblp
Unbiased and Efficient Self-Supervised Incremental Contrastive Learning.
Cheng Ji|Jianxin Li|Hao Peng|Jia Wu|Xingcheng Fu|Qingyun Sun|Philip S. Yu
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
doi dblp
Hyperbolic Geometric Graph Representation Learning for Hierarchy-imbalance Node Classification.
Xingcheng Fu|Yuecen Wei|Qingyun Sun|Haonan Yuan|Jia Wu|Hao Peng|Jianxin Li
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

doi dblp
Position-aware Structure Learning for Graph Topology-imbalance by Relieving Under-reaching and Over-squashing.
Qingyun Sun|Jianxin Li|Haonan Yuan|Xingcheng Fu|Hao Peng|Cheng Ji|Qian Li|Philip S. Yu
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Automating DBSCAN via Deep Reinforcement Learning.
Ruitong Zhang|Hao Peng|Yingtong Dou|Jia Wu|Qingyun Sun|Yangyang Li|Jingyi Zhang|Philip S. Yu
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Curvature Graph Generative Adversarial Networks.
Jianxin Li|Xingcheng Fu|Qingyun Sun|Cheng Ji|Jiajun Tan|Jia Wu|Hao Peng
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
SUGAR: Subgraph Neural Network with Reinforcement Pooling and Self-Supervised Mutual Information Mechanism.
Qingyun Sun|Jianxin Li|Hao Peng|Jia Wu|Yuanxing Ning|Philip S. Yu|Lifang He
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.