PPaperPicks

Zhichen Zeng

University of Illinois at Urbana-Champaign, IL, USA

18 papers at tracked venues · 15 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0002-5534-3401 ↗Homepage ↗

Venues

WWW ×5ICML ×3CIKM ×2NeurIPS ×2SIGKDD ×2AAAI ×1ACL ×1EACL ×1ICLR ×1

Frequent coauthors

Hanghang Tong
×15
Ruizhong Qiu
×8
Zhining Liu
×8
Jingrui He
×7
Tianxin Wei
×5
Yuchen Yan
×5
Zhe Xu
×4
Xuying Ning
×3
Mengyue Hang
×3
Kai Wang
×3
Hyunsik Yoo
×3
Huayu Li
×3

Papers

  1. AdaFuse: Adaptive Ensemble Decoding for Large Language Models
    ACL 2026 ·
    Chengming Cui
    ,
    Tianxin Wei
    ,
    Ziyi Chen
    ,
    Ruizhong Qiu
    , Zhichen Zeng,
    Zhining Liu
    ,
    Xuying Ning
    ,
    Duo Zhou
    ,
    Jingrui He
  2. Harnessing Consistency for Robust Test-Time LLM Ensemble
    EACL 2026 · Zhichen Zeng,
    Qi Yu
    ,
    Xiao Lin
    ,
    Ruizhong Qiu
    ,
    Xuying Ning
    ,
    Tianxin Wei
    ,
    Yuchen Yan
    ,
    Jingrui He
    ,
    Hanghang Tong
  3. Mixture of Sequence: Theme-Aware Mixture-of-Experts for Long-Sequence Recommendation
    WWW 2026 ·
    Xiao Lin
    ,
    Zhicheng Tang
    ,
    Weilin Cong
    ,
    Mengyue Hang
    ,
    Kai Wang
    ,
    Yajuan Wang
    , Zhichen Zeng,
    Ting-Wei Li
    ,
    Hyunsik Yoo
    ,
    Zhining Liu
    ,
    Xuying Ning
    ,
    Ruizhong Qiu
    ,
    Wen-Yen Chen
    ,
    Shuo Chang
    ,
    Rong Jin
    ,
    Huayu Li
    ,
    Hanghang Tong
  4. External Large Foundation Model: How to Efficiently Serve Trillions of Parameters for Online Ads Recommendation
    WWW 2025 ·
    Mingfu Liang
    ,
    Xi Liu
    ,
    Rong Jin
    ,
    Boyang Liu
    ,
    Qiuling Suo
    ,
    Qinghai Zhou
    ,
    Song Zhou
    ,
    Laming Chen
    ,
    Hua Zheng
    ,
    Zhiyuan Li
    ,
    Shali Jiang
    ,
    Jiyan Yang
    ,
    Xiaozhen Xia
    ,
    Fan Yang
    ,
    Yasmine Badr
    ,
    Ellie Wen
    ,
    Shuyu Xu
    ,
    Hansey Chen
    ,
    Zhengyu Zhang
    ,
    Jade Nie
    ,
    Chunzhi Yang
    , Zhichen Zeng,
    Weilin Zhang
    ,
    Xingliang Huang
    ,
    Qianru Li
    ,
    Shiquan Wang
    ,
    Evelyn Lyu
    ,
    Wenjing Lu
    ,
    Rui Zhang
    ,
    Wenjun Wang
    ,
    Jason Rudy
    ,
    Mengyue Hang
    ,
    Kai Wang
    ,
    Bo Long
    ,
    Wenlin Chen
    ,
    Santanu Kolay
    ,
    Huayu Li
  5. Improving LLM General Preference Alignment via Optimistic Online Mirror Descent
    NeurIPS 2025 ·
    Yuheng Zhang
    ,
    Dian Yu
    ,
    Tao Ge
    ,
    Linfeng Song
    , Zhichen Zeng,
    Haitao Mi
    ,
    Nan Jiang
    ,
    Dong Yu
  6. InterFormer: Effective Heterogeneous Interaction Learning for Click-Through Rate Prediction
    CIKM 2025 · Zhichen Zeng,
    Xiaolong Liu
    ,
    Mengyue Hang
    ,
    Xiaoyi Liu
    ,
    Qinghai Zhou
    ,
    Chaofei Yang
    ,
    Yiqun Liu
    ,
    Yichen Ruan
    ,
    Laming Chen
    ,
    Yuxin Chen
    ,
    Yujia Hao
    ,
    Jiaqi Xu
    ,
    Jade Nie
    ,
    Xi Liu
    ,
    Buyun Zhang
    ,
    Wei Wen
    ,
    Siyang Yuan
    ,
    Hang Yin
    ,
    Xin Zhang
    ,
    Kai Wang
    ,
    Wen-Yen Chen
    ,
    Yiping Han
    ,
    Huayu Li
    ,
    Chunzhi Yang
    ,
    Bo Long
    ,
    Philip S. Yu
    ,
    Hanghang Tong
    ,
    Jiyan Yang
  7. Joint Optimal Transport and Embedding for Network Alignment
    WWW 2025 ·
    Qi Yu
    , Zhichen Zeng,
    Yuchen Yan
    ,
    Lei Ying
    ,
    R. Srikant
    ,
    Hanghang Tong
  8. Matcha: Mitigating Graph Structure Shifts with Test-Time Adaptation
    ICLR 2025 ·
    Wenxuan Bao
    , Zhichen Zeng,
    Zhining Liu
    ,
    Hanghang Tong
    ,
    Jingrui He
  9. PyG-SSL: A Graph Self-Supervised Learning Toolkit
    CIKM 2025 ·
    Lecheng Zheng
    ,
    Baoyu Jing
    ,
    Zihao Li
    , Zhichen Zeng,
    Tianxin Wei
    ,
    Mengting Ai
    ,
    Xinrui He
    ,
    Lihui Liu
    ,
    Dongqi Fu
    ,
    Jiaxuan You
    ,
    Hanghang Tong
    ,
    Jingrui He
  10. ResMoE: Space-efficient Compression of Mixture of Experts LLMs via Residual Restoration
    SIGKDD 2025 ·
    Mengting Ai
    ,
    Tianxin Wei
    ,
    Yifan Chen
    , Zhichen Zeng,
    Ritchie Zhao
    ,
    Girish Varatkar
    ,
    Bita Darvish Rouhani
    ,
    Xianfeng Tang
    ,
    Hanghang Tong
    ,
    Jingrui He
  11. AIM: Attributing, Interpreting, Mitigating Data Unfairness
    SIGKDD 2024 ·
    Zhining Liu
    ,
    Ruizhong Qiu
    , Zhichen Zeng,
    Yada Zhu
    ,
    Hendrik F. Hamann
    ,
    Hanghang Tong
  12. Class-Imbalanced Graph Learning without Class Rebalancing
    ICML 2024 ·
    Zhining Liu
    ,
    Ruizhong Qiu
    , Zhichen Zeng,
    Hyunsik Yoo
    ,
    David Zhou
    ,
    Zhe Xu
    ,
    Yada Zhu
    ,
    Kommy Weldemariam
    ,
    Jingrui He
    ,
    Hanghang Tong
  13. Discrete-state Continuous-time Diffusion for Graph Generation
    NeurIPS 2024 ·
    Zhe Xu
    ,
    Ruizhong Qiu
    ,
    Yuzhong Chen
    ,
    Huiyuan Chen
    ,
    Xiran Fan
    ,
    Menghai Pan
    , Zhichen Zeng,
    Mahashweta Das
    ,
    Hanghang Tong
  14. Ensuring User-side Fairness in Dynamic Recommender Systems
    WWW 2024 ·
    Hyunsik Yoo
    , Zhichen Zeng,
    Jian Kang
    ,
    Ruizhong Qiu
    ,
    David Zhou
    ,
    Zhining Liu
    ,
    Fei Wang
    ,
    Charlie Xu
    ,
    Eunice Chan
    ,
    Hanghang Tong
  15. Graph Mixup on Approximate Gromov-Wasserstein Geodesics
    ICML 2024 · Zhichen Zeng,
    Ruizhong Qiu
    ,
    Zhe Xu
    ,
    Zhining Liu
    ,
    Yuchen Yan
    ,
    Tianxin Wei
    ,
    Lei Ying
    ,
    Jingrui He
    ,
    Hanghang Tong
  16. Hierarchical Multi-Marginal Optimal Transport for Network Alignment
    AAAI 2024 · Zhichen Zeng,
    Boxin Du
    ,
    Si Zhang
    ,
    Yinglong Xia
    ,
    Zhining Liu
    ,
    Hanghang Tong
  17. PaCEr: Network Embedding From Positional to Structural
    WWW 2024 ·
    Yuchen Yan
    ,
    Yongyi Hu
    ,
    Qinghai Zhou
    ,
    Lihui Liu
    , Zhichen Zeng,
    Yuzhong Chen
    ,
    Menghai Pan
    ,
    Huiyuan Chen
    ,
    Mahashweta Das
    ,
    Hanghang Tong
  18. SLOG: An Inductive Spectral Graph Neural Network Beyond Polynomial Filter
    ICML 2024 ·
    Haobo Xu
    ,
    Yuchen Yan
    ,
    Dingsu Wang
    ,
    Zhe Xu
    , Zhichen Zeng,
    Tarek F. Abdelzaher
    ,
    Jiawei Han
    ,
    Hanghang Tong