PPaperPicks

Jiajun Chen

Nanjing University, National Key Laboratory for Novel Software Technology, Nanjing, China

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

DBLP profile ↗ORCID 0000-0002-9859-6898 ↗Homepage ↗

Venues

ACL ×10EMNLP ×9NAACL ×5AAAI ×3ACM MM ×2

Frequent coauthors

Shujian Huang
×26
Shuaijie She
×8
Changjiang Gao
×5
Wenhao Zhu
×5
Shanbo Cheng
×4
Jianbing Zhang
×4
Xin Huang
×4
Peng Ding
×4
Yu Bao
×3
Xiang Geng
×3
Xue Han
×3
Junlan Feng
×3

Papers

  1. A Data-Efficient Path to Multilingual LLMs: Language Expansion via Post-training PARAMΔ Integration into Upcycled MoE
    ACL 2026 ·
    Hao Zhou
    ,
    Tianhao Li
    ,
    Zhijun Wang
    ,
    Shuaijie She
    ,
    Linjuan Wu
    ,
    Hao-Ran Wei
    ,
    Baosong Yang
    , Jiajun Chen,
    Shujian Huang
  2. How Does Alignment Enhance LLMs' Multilingual Capabilities? A Language Neurons Perspective
    AAAI 2026 ·
    Shimao Zhang
    ,
    Zhejian Lai
    ,
    Xiang Liu
    ,
    Shuaijie She
    ,
    Xiao Liu
    ,
    Yeyun Gong
    ,
    Shujian Huang
    , Jiajun Chen
  3. Improving Long-Context Translation via Self-Supervised Dual Learning
    ACL 2026 ·
    Shanbo Cheng
    ,
    Shuaijie She
    ,
    Yu Bao
    ,
    Jianbing Zhang
    , Jiajun Chen,
    Shujian Huang
  4. Alleviating Distribution Shift in Synthetic Data for Machine Translation Quality Estimation
    ACL 2025 ·
    Xiang Geng
    ,
    Zhejian Lai
    , Jiajun Chen,
    Hao Yang
    ,
    Shujian Huang
  5. CapArena: Benchmarking and Analyzing Detailed Image Captioning in the LLM Era
    ACL 2025 ·
    Kanzhi Cheng
    ,
    Wenpo Song
    ,
    Jiaxin Fan
    ,
    Zheng Ma
    ,
    Qiushi Sun
    ,
    Fangzhi Xu
    ,
    Chenyang Yan
    ,
    Nuo Chen
    ,
    Jianbing Zhang
    , Jiajun Chen
  6. EnAnchored-X2X: English-Anchored Optimization for Many-to-Many Translation
    EMNLP 2025 ·
    Sen Yang
    ,
    Yu Bao
    ,
    Yu Lu
    , Jiajun Chen,
    Shujian Huang
    ,
    Shanbo Cheng
  7. MoE-LPR: Multilingual Extension of Large Language Models Through Mixture-of-Experts with Language Priors Routing
    AAAI 2025 ·
    Hao Zhou
    ,
    Zhijun Wang
    ,
    Shujian Huang
    ,
    Xin Huang
    ,
    Xue Han
    ,
    Junlan Feng
    ,
    Chao Deng
    ,
    Weihua Luo
    , Jiajun Chen
  8. R-PRM: Reasoning-Driven Process Reward Modeling
    EMNLP 2025 ·
    Shuaijie She
    ,
    Junxiao Liu
    ,
    Yifeng Liu
    , Jiajun Chen,
    Xin Huang
    ,
    Shujian Huang
  9. SDGO: Self-Discrimination-Guided Optimization for Consistent Safety in Large Language Models
    EMNLP 2025 ·
    Peng Ding
    ,
    Wen Sun
    ,
    Dailin Li
    ,
    Wei Zou
    ,
    Jiaming Wang
    , Jiajun Chen,
    Shujian Huang
  10. TRANS-ZERO: Self-Play Incentivizes Large Language Models for Multilingual Translation Without Parallel Data
    ACL 2025 ·
    Wei Zou
    ,
    Sen Yang
    ,
    Yu Bao
    ,
    Shujian Huang
    , Jiajun Chen,
    Shanbo Cheng
  11. Understanding LLMs' Cross-Lingual Context Retrieval: How Good It Is And Where It Comes From
    EMNLP 2025 ·
    Changjiang Gao
    ,
    Hankun Lin
    ,
    Xin Huang
    ,
    Xue Han
    ,
    Junlan Feng
    ,
    Chao Deng
    , Jiajun Chen,
    Shujian Huang
  12. Why Not Act on What You Know? Unleashing Safety Potential of LLMs via Self-Aware Guard Enhancement
    ACL 2025 ·
    Peng Ding
    ,
    Jun Kuang
    ,
    Zongyu Wang
    ,
    Xuezhi Cao
    ,
    Xunliang Cai
    , Jiajun Chen,
    Shujian Huang
  13. A Hierarchical Network for Multimodal Document-Level Relation Extraction
    AAAI 2024 ·
    Lingxing Kong
    ,
    Jiuliang Wang
    ,
    Zheng Ma
    ,
    Qifeng Zhou
    ,
    Jianbing Zhang
    ,
    Liang He
    , Jiajun Chen
  14. A Wolf in Sheep's Clothing: Generalized Nested Jailbreak Prompts can Fool Large Language Models Easily
    NAACL 2024 ·
    Peng Ding
    ,
    Jun Kuang
    ,
    Dan Ma
    ,
    Xuezhi Cao
    ,
    Yunsen Xian
    , Jiajun Chen,
    Shujian Huang
  15. Exploring the Factual Consistency in Dialogue Comprehension of Large Language Models
    NAACL 2024 ·
    Shuaijie She
    ,
    Shujian Huang
    ,
    Xingyun Wang
    ,
    Yanke Zhou
    , Jiajun Chen
  16. Focus & Gating: A Multimodal Approach for Unveiling Relations in Noisy Social Media
    ACM MM 2024 ·
    Liang He
    ,
    Hongke Wang
    ,
    Zhen Wu
    ,
    Jianbing Zhang
    ,
    Xinyu Dai
    , Jiajun Chen
  17. Formality is Favored: Unraveling the Learning Preferences of Large Language Models on Data with Conflicting Knowledge
    EMNLP 2024 ·
    Jiahuan Li
    ,
    Yiqing Cao
    ,
    Shujian Huang
    , Jiajun Chen
  18. Getting More from Less: Large Language Models are Good Spontaneous Multilingual Learners
    EMNLP 2024 ·
    Shimao Zhang
    ,
    Changjiang Gao
    ,
    Wenhao Zhu
    , Jiajun Chen,
    Xin Huang
    ,
    Xue Han
    ,
    Junlan Feng
    ,
    Chao Deng
    ,
    Shujian Huang
  19. Hallu-PI: Evaluating Hallucination in Multi-modal Large Language Models within Perturbed Inputs
    ACM MM 2024 ·
    Peng Ding
    ,
    Jingyu Wu
    ,
    Jun Kuang
    ,
    Dan Ma
    ,
    Xuezhi Cao
    ,
    Xunliang Cai
    ,
    Shi Chen
    , Jiajun Chen,
    Shujian Huang
  20. Large Language Models are Limited in Out-of-Context Knowledge Reasoning
    EMNLP 2024 ·
    Peng Hu
    ,
    Changjiang Gao
    ,
    Ruiqi Gao
    , Jiajun Chen,
    Shujian Huang
  21. Lost in the Source Language: How Large Language Models Evaluate the Quality of Machine Translation
    ACL 2024 ·
    Xu Huang
    ,
    Zhirui Zhang
    ,
    Xiang Geng
    ,
    Yichao Du
    , Jiajun Chen,
    Shujian Huang
  22. MAPO: Advancing Multilingual Reasoning through Multilingual-Alignment-as-Preference Optimization
    ACL 2024 ·
    Shuaijie She
    ,
    Wei Zou
    ,
    Shujian Huang
    ,
    Wenhao Zhu
    ,
    Xiang Liu
    ,
    Xiang Geng
    , Jiajun Chen
  23. MT-PATCHER: Selective and Extendable Knowledge Distillation from Large Language Models for Machine Translation
    NAACL 2024 ·
    Jiahuan Li
    ,
    Shanbo Cheng
    ,
    Shujian Huang
    , Jiajun Chen
  24. Measuring Meaning Composition in the Human Brain with Composition Scores from Large Language Models
    ACL 2024 ·
    Changjiang Gao
    ,
    Jixing Li
    , Jiajun Chen,
    Shujian Huang
  25. Multilingual Contrastive Decoding via Language-Agnostic Layers Skipping
    EMNLP 2024 ·
    Wenhao Zhu
    ,
    Sizhe Liu
    ,
    Shujian Huang
    ,
    Shuaijie She
    ,
    Chris Wendler
    , Jiajun Chen
  26. Multilingual Machine Translation with Large Language Models: Empirical Results and Analysis
    NAACL 2024 ·
    Wenhao Zhu
    ,
    Hongyi Liu
    ,
    Qingxiu Dong
    ,
    Jingjing Xu
    ,
    Shujian Huang
    ,
    Lingpeng Kong
    , Jiajun Chen,
    Lei Li
  27. Multilingual Pretraining and Instruction Tuning Improve Cross-Lingual Knowledge Alignment, But Only Shallowly
    NAACL 2024 ·
    Changjiang Gao
    ,
    Hongda Hu
    ,
    Peng Hu
    , Jiajun Chen,
    Jixing Li
    ,
    Shujian Huang
  28. PreAlign: Boosting Cross-Lingual Transfer by Early Establishment of Multilingual Alignment
    EMNLP 2024 ·
    Jiahuan Li
    ,
    Shujian Huang
    ,
    Aarron Ching
    ,
    Xinyu Dai
    , Jiajun Chen
  29. Question Translation Training for Better Multilingual Reasoning
    ACL 2024 ·
    Wenhao Zhu
    ,
    Shujian Huang
    ,
    Fei Yuan
    ,
    Shuaijie She
    , Jiajun Chen,
    Alexandra Birch