PPaperPicks

Yu-An Liu

University of Chinese Academy of Sciences, Institute of Computing Technology, Beijing, China

16 papers at tracked venues · 13 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0002-9125-5097 ↗

Venues

SIGIR ×6AAAI ×3ACL ×3ECIR ×1EMNLP ×1WSDM ×1WWW ×1

Frequent coauthors

Ruqing Zhang
×16
Jiafeng Guo
×16
Xueqi Cheng
×12
Maarten de Rijke
×10
Yixing Fan
×6
Hongru Song
×3
Lixin Su
×3
Changjiang Zhou
×3
Xin Liu
×2
Fan Zhang
×2
Yinhu Zhao
×1
Wenda Wei
×1

Papers

  1. AdversarialCoT: Single-Document Retrieval Poisoning for LLM Reasoning
    SIGIR 2026 ·
    Hongru Song
    , Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Maarten de Rijke
    ,
    Yixing Fan
    ,
    Xueqi Cheng
  2. Compete to Complete: Co-opetition Adversarial Learning for Retrieval-Augmented Generation
    ACL 2026 ·
    Xin Liu
    , Yu-An Liu,
    Ruqing Zhang
    ,
    Yixing Fan
    ,
    Lixin Su
    ,
    Jiafeng Guo
    ,
    Xueqi Cheng
  3. Déjà Vu of Strange Stickers! Enhancing Out-of-Distribution Robustness in Sticker Retrieval via Cross-Modal Intent Alignment
    WWW 2026 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Changjiang Zhou
    ,
    Fan Zhang
    ,
    Yinhu Zhao
  4. Is a Busy Search Agent a Good One? Overthinking and Overretrieval at Scale
    SIGIR 2026 ·
    Xin Liu
    ,
    Ruqing Zhang
    , Yu-An Liu,
    Lixin Su
    ,
    Jiafeng Guo
    ,
    Xueqi Cheng
  5. Stop Hardening Everything: A Training-Free Neuron-Level Defense for Neural Ranking Models
    ACL 2026 · Yu-An Liu,
    Ruqing Zhang
    ,
    Hongru Song
    ,
    Jiafeng Guo
    ,
    Yixing Fan
    ,
    Xueqi Cheng
  6. Thinking Forward and Backward: Multi-Objective Reinforcement Learning for Retrieval-Augmented Reasoning
    AAAI 2026 ·
    Wenda Wei
    , Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Lixin Su
    ,
    Shuaiqiang Wang
    ,
    Dawei Yin
    ,
    Maarten de Rijke
    ,
    Xueqi Cheng
  7. A Generative Framework for Personalized Sticker Retrieval
    EMNLP 2025 ·
    Changjiang Zhou
    ,
    Ruqing Zhang
    ,
    Jiafeng Guo
    , Yuan Liu,
    Fan Zhang
    ,
    Ganyuan Luo
    ,
    Xueqi Cheng
  8. Attack-in-the-Chain: Bootstrapping Large Language Models for Attacks Against Black-Box Neural Ranking Models
    AAAI 2025 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Maarten de Rijke
    ,
    Yixing Fan
    ,
    Xueqi Cheng
  9. On the Robustness of Generative Information Retrieval Models: An Out-of-Distribution Perspective
    ECIR 2025 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Changjiang Zhou
    ,
    Maarten de Rijke
    ,
    Xueqi Cheng
  10. On the Scaling of Robustness and Effectiveness in Dense Retrieval
    SIGIR 2025 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Maarten de Rijke
    ,
    Yixing Fan
    ,
    Xueqi Cheng
  11. Robust Information Retrieval
    WSDM 2025 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Maarten de Rijke
  12. Robust-IR @ SIGIR 2025: The First Workshop on Robust Information Retrieval
    SIGIR 2025 · Yu-An Liu,
    Haya Nachimovsky
    ,
    Ruqing Zhang
    ,
    Oren Kurland
    ,
    Jiafeng Guo
    ,
    Moshe Tennenholtz
  13. The Silent Saboteur: Imperceptible Adversarial Attacks against Black-Box Retrieval-Augmented Generation Systems
    ACL 2025 ·
    Hongru Song
    , Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Jianming Lv
    ,
    Maarten de Rijke
    ,
    Xueqi Cheng
  14. Multi-granular Adversarial Attacks against Black-box Neural Ranking Models
    SIGIR 2024 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Maarten de Rijke
    ,
    Yixing Fan
    ,
    Xueqi Cheng
  15. Perturbation-Invariant Adversarial Training for Neural Ranking Models: Improving the Effectiveness-Robustness Trade-Off
    AAAI 2024 · Yu-An Liu,
    Ruqing Zhang
    ,
    Mingkun Zhang
    ,
    Wei Chen
    ,
    Maarten de Rijke
    ,
    Jiafeng Guo
    ,
    Xueqi Cheng
  16. Robust Information Retrieval
    SIGIR 2024 · Yu-An Liu,
    Ruqing Zhang
    ,
    Jiafeng Guo
    ,
    Maarten de Rijke