PPaperPicks

Li Xiong

Emory University, Atlanta, GA, USA

26 papers at tracked venues · 21 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0001-7354-0428 ↗Google Scholar ↗Homepage ↗

Venues

VLDB ×4CCS ×3ICDE ×3ACL ×2CIKM ×2SIGMOD ×2AAAI ×1ICDM ×1IJCAI ×1NDSS ×1NeurIPS ×1S&P ×1SDM ×1SIGKDD ×1USENIX Security ×1WWW ×1

Frequent coauthors

Jinfei Liu
×7
Ruixuan Liu
×5
Kui Ren
×5
Yang Cao
×5
Jian Lou
×4
Carl Yang
×3
Cyrus Shahabi
×3
Toan Tran
×2
Tianhao Wang
×2
Wenjie Wang
×2
Yihao Zheng
×2
Hong-Kyu Lee
×2

Papers

  1. Beyond Indistinguishability: Measuring Extraction Risk in LLM APIs
    S&P 2026 ·
    Ruixuan Liu
    ,
    David Evans
    , Li Xiong
  2. Direct Token Optimization: A Self-Contained Approach to Large Language Model Unlearning
    ACL 2026 ·
    Hong Kyu Lee
    ,
    Ruixuan Liu
    , Li Xiong
  3. ExpShield: Safeguarding Web Text from Unauthorized Crawling and LLM Exploitation
    NDSS 2026 ·
    Ruixuan Liu
    ,
    Toan Tran
    ,
    Tianhao Wang
    ,
    Hongsheng Hu
    ,
    Shuo Wang
    , Li Xiong
  4. SkyNet: Solving Skyline Queries with Neural Networks
    ICDE 2026 ·
    Jinfei Liu
    ,
    Jiayao Zhang
    ,
    Pengyun Zhu
    , Li Xiong,
    Jian Pei
  5. Auto-Search and Refinement: An Automated Framework for Gender Bias Mitigation in Large Language Models
    NeurIPS 2025 ·
    Yue Xu
    ,
    Chengyan Fu
    , Li Xiong,
    Sibei Yang
    ,
    Wenjie Wang
  6. B2Mark: A Blind and Buyer-Traceable Watermarking Scheme for Tabular Datasets
    SIGMOD 2025 ·
    Yihao Zheng
    ,
    Jinfei Liu
    ,
    Kui Ren
    , Li Xiong
  7. Contrastive Unlearning: A Contrastive Approach to Machine Unlearning
    IJCAI 2025 ·
    Hong-Kyu Lee
    ,
    Qiuchen Zhang
    ,
    Carl Yang
    ,
    Jian Lou
    , Li Xiong
  8. DP-BREM: Differentially-Private and Byzantine-Robust Federated Learning with Client Momentum
    USENIX Security 2025 ·
    Xiaolan Gu
    ,
    Ming Li
    , Li Xiong
  9. Privacy and Accuracy-Aware AI/ML Model Deduplication
    SIGMOD 2025 ·
    Hong Guan
    ,
    Lei Yu
    ,
    Lixi Zhou
    , Li Xiong,
    Kanchan Chowdhury
    ,
    Lulu Xie
    ,
    Xusheng Xiao
    ,
    Jia Zou
  10. Simulated Infectious Diseases Datasets with Controlled Data Bias
    SIGKDD 2025 ·
    Ruochen Kong
    ,
    Taylor Anderson
    ,
    Matthew Scotch
    ,
    David J. Heslop
    ,
    Yonchanok Khaokaew
    ,
    Hao Xue
    , Li Xiong,
    Chandini Raina MacIntyre
    ,
    Flora D. Salim
    ,
    Andreas Züfle
  11. Tokens for Learning, Tokens for Unlearning: Mitigating Membership Inference Attacks in Large Language Models via Dual-Purpose Training
    ACL 2025 ·
    Toan Tran
    ,
    Ruixuan Liu
    , Li Xiong
  12. Controllable Visit Trajectory Generation with Spatiotemporal Constraints
    ICDM 2024 ·
    Haowen Lin
    ,
    John Krumm
    ,
    Cyrus Shahabi
    , Li Xiong
  13. Cross-silo Federated Learning with Record-level Personalized Differential Privacy
    CCS 2024 ·
    Junxu Liu
    ,
    Jian Lou
    , Li Xiong,
    Jinfei Liu
    ,
    Xiaofeng Meng
  14. DPAR: Decoupled Graph Neural Networks with Node-Level Differential Privacy
    WWW 2024 ·
    Qiuchen Zhang
    ,
    Hong-Kyu Lee
    ,
    Jing Ma
    ,
    Jian Lou
    ,
    Carl Yang
    , Li Xiong
  15. Enhanced Privacy Bound for Shuffle Model with Personalized Privacy
    CIKM 2024 ·
    Yixuan Liu
    ,
    Yuhan Liu
    , Li Xiong,
    Yujie Gu
    ,
    Hong Chen
  16. Federated Node Classification over Distributed Ego-Networks with Secure Contrastive Embedding Sharing
    CIKM 2024 ·
    Han Xie
    , Li Xiong,
    Carl Yang
  17. Front Matter
    VLDB 2024 ·
    Meihui Zhang
    ,
    Cyrus Shahabi
    ,
    Ju Fan
    ,
    Yang Cao
    ,
    Xiaoou Ding
    ,
    Divesh Srivastava
    ,
    Nesime Tatbul
    ,
    Sihem Amer-Yahia
    ,
    Yongxin Tong
    ,
    Yuncheng Wu
    , Li Xiong,
    Torsten Grust
    ,
    Themis Palpanas
    ,
    Philippe Bonnet
    ,
    Haixun Wang
    ,
    Wook-Shin Han
    ,
    Ibrahim Sabek
    ,
    M. Tamer Özsu
    ,
    Xiaofang Zhou
  18. HRNet: Differentially Private Hierarchical and Multi-Resolution Network for Human Mobility Data Synthesization
    VLDB 2024 ·
    Shun Takagi
    , Li Xiong,
    Fumiyuki Kato
    ,
    Yang Cao
    ,
    Masatoshi Yoshikawa
  19. IGAMT: Privacy-Preserving Electronic Health Record Synthesization with Heterogeneity and Irregularity
    AAAI 2024 ·
    Wenjie Wang
    ,
    Pengfei Tang
    ,
    Jian Lou
    ,
    Yuanming Shao
    ,
    Lance Waller
    ,
    Yi-an Ko
    , Li Xiong
  20. P-Shapley: Shapley Values on Probabilistic Classifiers
    VLDB 2024 ·
    Haocheng Xia
    ,
    Xiang Li
    ,
    Junyuan Pang
    ,
    Jinfei Liu
    ,
    Kui Ren
    , Li Xiong
  21. PreCurious: How Innocent Pre-Trained Language Models Turn into Privacy Traps
    CCS 2024 ·
    Ruixuan Liu
    ,
    Tianhao Wang
    ,
    Yang Cao
    , Li Xiong
  22. Share: Stackelberg-Nash based Data Markets
    ICDE 2024 ·
    Yuran Bi
    ,
    Jinfei Liu
    ,
    Chen Zhao
    ,
    Junyi Zhao
    ,
    Kui Ren
    , Li Xiong
  23. TabularMark: Watermarking Tabular Datasets for Machine Learning
    CCS 2024 ·
    Yihao Zheng
    ,
    Haocheng Xia
    ,
    Junyuan Pang
    ,
    Jinfei Liu
    ,
    Kui Ren
    ,
    Lingyang Chu
    ,
    Yang Cao
    , Li Xiong
  24. Uldp-FL: Federated Learning with Across Silo User-Level Differential Privacy
    VLDB 2024 ·
    Fumiyuki Kato
    , Li Xiong,
    Shun Takagi
    ,
    Yang Cao
    ,
    Masatoshi Yoshikawa
  25. Unified Modeling and Clustering of Mobility Trajectories with Spatiotemporal Point Processes
    SDM 2024 ·
    Haowen Lin
    ,
    Yao-Yi Chiang
    , Li Xiong,
    Cyrus Shahabi
  26. When Data Pricing Meets Non-Cooperative Game Theory
    ICDE 2024 ·
    Yuran Bi
    ,
    Yihang Wu
    ,
    Jinfei Liu
    ,
    Kui Ren
    , Li Xiong