PPaperPicks

Li Sun

Beijing University of Posts and Telecommunications, State Key Laboratory of Networking and Switching Technology, Beijing, China

37 papers at tracked venues · 28 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0003-4562-2279 ↗Google Scholar ↗Homepage ↗

Venues

AAAI ×8WWW ×7CIKM ×6ACL ×5NeurIPS ×3SIGIR ×2SIGKDD ×2WSDM ×2ICML ×1IJCAI ×1

Frequent coauthors

Hao Peng
×23
Philip S. Yu
×16
Sen Su
×8
Zhenhao Huang
×7
Xiaoyan Yu
×7
Junda Ye
×5
Longzhu He
×4
Zhenhong Zhou
×4
Chunyang Liu
×4
Zhiwei Yang
×4
Lei Jiang
×4
Yujie Wang
×4

Papers

  1. Devil's Hand: Data Poisoning Attacks to Locally Private Graph Learning Protocols
    SIGKDD 2026 ·
    Longzhu He
    ,
    Chaozhuo Li
    ,
    Peng Tang
    , Li Sun,
    Sen Su
    ,
    Philip S. Yu
  2. Effective and Unsupervised Social Event Detection and Evolution via RAG and Structural Entropy
    WWW 2026 ·
    Qitong Liu
    ,
    Hao Peng
    ,
    Zuchen Li
    ,
    Xihang Meng
    ,
    Ziyu Yang
    ,
    Jiting Li
    , Li Sun,
    Philip S. Yu
  3. From "Aha Moments" to Controllable Thinking: Toward Meta-Cognitive Reasoning in LRMs via Decoupled Reasoning and Control
    ACL 2026 ·
    Rui Ha
    ,
    Rui Pu
    ,
    Chaozhuo Li
    , Li Sun,
    Sen Su
  4. HearSay Benchmark: Do Audio LLMs Leak What They Hear?
    ACL 2026 ·
    Jin Wang
    ,
    Kaiwen Luo
    ,
    Liang Lin
    ,
    Weiliu Wang
    ,
    Yitian Chen
    ,
    Moayad Aloqaily
    ,
    Xuehai Tang
    ,
    Zhenhong Zhou
    ,
    Kun Wang
    , Li Sun,
    Qingsong Wen
  5. Heterophily-Agnostic Hypergraph Neural Networks with Riemannian Local Exchanger
    WWW 2026 · Li Sun,
    Ming Zhang
    ,
    Wenxin Jin
    ,
    Zhongtian Sun
    ,
    Zhenhao Huang
    ,
    Hao Peng
    ,
    Sen Su
    ,
    Philip S. Yu
  6. Hyperbolic Continuous Structural Entropy for Hierarchical Clustering
    AAAI 2026 ·
    Guangjie Zeng
    ,
    Hao Peng
    ,
    Angsheng Li
    , Li Sun,
    Chunyang Liu
    ,
    Shengze Li
    ,
    Yicheng Pan
    ,
    Philip S. Yu
  7. Label-Free Contrastive Learning for Open-World Multimodal Social Event Detection
    WSDM 2026 ·
    Zhiwei Yang
    ,
    Haimei Qin
    ,
    Hao Peng
    ,
    Xiaoyan Yu
    , Li Sun,
    Lei Jiang
  8. Learning to Edit Knowledge via Instruction-based Chain-of-Thought Prompting
    ACL 2026 ·
    Jinhu Fu
    ,
    Yan Bai
    ,
    Longzhu He
    ,
    Yihang Lou
    ,
    Yanxiao Zhao
    , Li Sun,
    Sen Su
  9. Learning to Explore: Policy-Guided Outlier Synthesis for Graph Out-of-Distribution Detection
    AAAI 2026 · Li Sun,
    Lanxu Yang
    ,
    Jiayu Tian
    ,
    Bowen Fang
    ,
    Xiaoyan Yu
    ,
    Junda Ye
    ,
    Peng Tang
    ,
    Hao Peng
    ,
    Philip S. Yu
  10. RPGen: Robust and Differentially Private Synthetic Image Generation
    AAAI 2026 ·
    Zihao Wang
    ,
    Hao Peng
    ,
    Wei Dong
    ,
    Yuecen Wei
    , Li Sun,
    Zhengtao Yu
  11. RSA-Bench: Benchmarking Audio Large Models in Real-World Acoustic Scenarios
    ACL 2026 ·
    Yibo Zhang
    ,
    Kaiwen Luo
    ,
    Liang Lin
    ,
    Shilinlu Yan
    ,
    Jin Wang
    ,
    Yaoqi Guo
    ,
    Yitian Chen
    ,
    Yalan Qin
    ,
    Zhenhong Zhou
    ,
    Kun Wang
    , Li Sun
  12. Riemannian Graph Tokenizer for Structural Knowledge Transfer
    WWW 2026 ·
    Qimin Zhou
    ,
    Haibo Liu
    ,
    Yujie Wang
    , Li Sun,
    Chuan Shi
  13. SEE: Signal Embedding Energy for Quantifying Noise Interference in Large Audio Language Models
    ACL 2026 ·
    Yuanhe Zhang
    ,
    Jiayu Tian
    ,
    Yibo Zhang
    ,
    Shilinlu Yan
    ,
    Liang Lin
    ,
    Zhenhong Zhou
    , Li Sun,
    Sen Su
  14. SLFM: Semi-Supervised Local Community Detection Based on Hyperbolic Flow Matching
    WWW 2026 ·
    Haixu Xiong
    , Li Sun,
    Yun Xiong
    ,
    Suyang Zhou
    ,
    Hongrun Ren
    ,
    Yangyong Zhu
  15. Separating Wheat from Chaff: Fine-Grained Defenses Against Poisoning in Multi-Perspective RAG
    SIGIR 2026 ·
    Yanxiao Zhao
    ,
    Longzhu He
    , Li Sun,
    Sen Su
  16. Structural Entropy Guided Incremental Learning for Open-World Multimodal Social Event Detection
    AAAI 2026 ·
    Zhiwei Yang
    ,
    Haimei Qin
    ,
    Xiaoyan Yu
    ,
    Hao Peng
    ,
    Lei Jiang
    , Li Sun,
    Zhiqin Yang
  17. The Devil Within, The Cure Without: Securing Locally Private Graph Learning under Poisoning
    WWW 2026 ·
    Longzhu He
    ,
    Peng Tang
    , Li Sun,
    Sen Su
  18. Towards Multifaceted Graph Condensation in Discrete Realm
    WSDM 2026 ·
    Junda Ye
    ,
    Zhongbao Zhang
    ,
    Zhizhen He
    ,
    Feiyang Wang
    , Li Sun
  19. Deeper with Riemannian Geometry: Overcoming Oversmoothing and Oversquashing for Graph Foundation Models
    NeurIPS 2025 · Li Sun,
    Zhenhao Huang
    ,
    Ming Zhang
    ,
    Philip S. Yu
  20. Hyperbolic Prompt Learning for Incremental Event Detection with LLMs
    CIKM 2025 ·
    Xiujin Zhang
    ,
    Wenxin Jin
    ,
    Haotian Hong
    ,
    Pengfei Zhang
    ,
    Jiting Li
    ,
    Kongjing Gu
    ,
    Hao Peng
    , Li Sun
  21. LIFEBENCH: Evaluating Length Instruction Following in Large Language Models
    NeurIPS 2025 ·
    Wei Zhang
    ,
    Zhenhong Zhou
    ,
    Kun Wang
    ,
    Junfeng Fang
    ,
    Rongwu Xu
    ,
    Yuanhe Zhang
    ,
    Rui Wang
    ,
    Ge Zhang
    ,
    Xinfeng Li
    , Li Sun,
    Lingjuan Lyu
    ,
    Yang Liu
    ,
    Sen Su
  22. Pioneer: Physics-informed Riemannian Graph ODE for Entropy-increasing Dynamics
    AAAI 2025 · Li Sun,
    Ziheng Zhang
    ,
    Zixi Wang
    ,
    Yujie Wang
    ,
    Qiqi Wan
    ,
    Hao Li
    ,
    Hao Peng
    ,
    Philip S. Yu
  23. RiemannGFM: Learning a Graph Foundation Model from Riemannian Geometry
    WWW 2025 · Li Sun,
    Zhenhao Huang
    ,
    Suyang Zhou
    ,
    Qiqi Wan
    ,
    Hao Peng
    ,
    Philip S. Yu
  24. Structural Entropy Guided Probabilistic Coding
    AAAI 2025 ·
    Xiang Huang
    ,
    Hao Peng
    , Li Sun,
    Hui Lin
    ,
    Chunyang Liu
    ,
    Jiang Cao
    ,
    Philip S. Yu
  25. Towards Effective, Efficient and Unsupervised Social Event Detection in the Hyperbolic Space
    AAAI 2025 ·
    Xiaoyan Yu
    ,
    Yifan Wei
    ,
    Shuaishuai Zhou
    ,
    Zhiwei Yang
    , Li Sun,
    Hao Peng
    ,
    Liehuang Zhu
    ,
    Philip S. Yu
  26. Trace: Structural Riemannian Bridge Matching for Transferable Source Localization in Information Propagation
    IJCAI 2025 · Li Sun,
    Suyang Zhou
    ,
    Bowen Fang
    ,
    Hechuan Zhang
    ,
    Junda Ye
    ,
    Yutong Ye
    ,
    Philip S. Yu
  27. Unsupervised Graph Clustering with Deep Structural Entropy
    SIGKDD 2025 ·
    Jingyun Zhang
    ,
    Hao Peng
    , Li Sun,
    Guanlin Wu
    ,
    Chunyang Liu
    ,
    Zhengtao Yu
  28. A Mixed-Curvature Graph Diffusion Model
    CIKM 2024 ·
    Yujie Wang
    ,
    Shuo Zhang
    ,
    Junda Ye
    ,
    Hao Peng
    , Li Sun
  29. Adaptive Differentially Private Structural Entropy Minimization for Unsupervised Social Event Detection
    CIKM 2024 ·
    Zhiwei Yang
    ,
    Yuecen Wei
    ,
    Haoran Li
    ,
    Qian Li
    ,
    Lei Jiang
    , Li Sun,
    Xiaoyan Yu
    ,
    Chunming Hu
    ,
    Hao Peng
  30. DAMe: Personalized Federated Social Event Detection with Dual Aggregation Mechanism
    CIKM 2024 ·
    Xiaoyan Yu
    ,
    Yifan Wei
    ,
    Pu Li
    ,
    Shuaishuai Zhou
    ,
    Hao Peng
    , Li Sun,
    Liehuang Zhu
    ,
    Philip S. Yu
  31. LSEnet: Lorentz Structural Entropy Neural Network for Deep Graph Clustering
    ICML 2024 · Li Sun,
    Zhenhao Huang
    ,
    Hao Peng
    ,
    Yujie Wang
    ,
    Chunyang Liu
    ,
    Philip S. Yu
  32. Motif-Aware Riemannian Graph Neural Network with Generative-Contrastive Learning
    AAAI 2024 · Li Sun,
    Zhenhao Huang
    ,
    Zixi Wang
    ,
    Feiyang Wang
    ,
    Hao Peng
    ,
    Philip S. Yu
  33. Multivariate Time-Series Anomaly Detection based on Enhancing Graph Attention Networks with Topological Analysis
    CIKM 2024 ·
    Zhe Liu
    ,
    Xiang Huang
    ,
    Jingyun Zhang
    ,
    Zhifeng Hao
    , Li Sun,
    Hao Peng
  34. R-ODE: Ricci Curvature Tells When You Will be Informed
    SIGIR 2024 · Li Sun,
    Jingbin Hu
    ,
    Mengjie Li
    ,
    Hao Peng
  35. RicciNet: Deep Clustering via A Riemannian Generative Model
    WWW 2024 · Li Sun,
    Jingbin Hu
    ,
    Suyang Zhou
    ,
    Zhenhao Huang
    ,
    Junda Ye
    ,
    Hao Peng
    ,
    Zhengtao Yu
    ,
    Philip S. Yu
  36. Spiking Graph Neural Network on Riemannian Manifolds
    NeurIPS 2024 · Li Sun,
    Zhenhao Huang
    ,
    Qiqi Wan
    ,
    Hao Peng
    ,
    Philip S. Yu
  37. Table-Filling via Mean Teacher for Cross-domain Aspect Sentiment Triplet Extraction
    CIKM 2024 ·
    Kun Peng
    ,
    Lei Jiang
    ,
    Qian Li
    ,
    Haoran Li
    ,
    Xiaoyan Yu
    , Li Sun,
    Shuo Sun
    ,
    Yanxian Bi
    ,
    Hao Peng