Lu Chen Associate Professor X-LANCE Lab Department of Computer Science and Engineering Shanghai Jiao Tong University Email: chenlusz [AT] sjtu [DOT] edu [DOT] cn Address: 800 Dongchuan Road, Shanghai 200240, China

Conversational AI (CoAI) Group @SJTU X-LANCE Lab

Research Interests

• Natural Language Processing: Dialogue Systems, Large Language Models
• AI for Science: AI for Materials Science, AI for Life Science

Teaching

• Natural Language Processing for CS&AI undergraduates at SJTU, 2021/2022/2023 Fall
• Knowledge Representation and Reasoning for AI undergraduates at SJTU, 2022/2023/2024 Spring

Selected Publication [Google Scholar]

Pre-Training, Alignment, Inference for Large Language Models

• Rejection Improves Reliability: Training LLMs to Refuse Un-known Questions Using RL from Knowledge Feedback
  Hongshen Xu, Zichen Zhu, Situo Zhang, Da Ma, Shuai Fan, Lu Chen, Kai Yu
  COLM 2024 [Paper]

• Evolving Subnetwork Training for Large Language Models
  Hanqi Li, Lu Chen, Da Ma, Zijian Wu, Su Zhu, Kai Yu
  ICML 2024 [Paper]

• Sparsity-Accelerated Training for Large Language Models
  Da Ma, Lu Chen, Pengyu Wang, Hongshen Xu, Hanqi Li, Liangtai Sun, Su Zhu, Shuai Fan, Kai Yu
  ACL Findings 2024 [Paper]

Autonomous Agents with Large Language Models

• IBSEN: Director-Actor Agent Collaboration for Controllable and Interactive Drama Script Generation
  Senyu Han, Lu Chen, Li-Min Lin, Zhengshan Xu, Kai Yu
  ACL 2024 [Paper][Website]

• Large Language Models Are Semi-Parametric Reinforcement Learning Agent
  Danyang Zhang, Lu Chen, Situo Zhang, Hongshen Xu, Zihan Zhao, Kai Yu
  NeurIPS 2023 [Paper] [Code]

• META-GUI: Towards Multi-modal Conversational Agents on Mobile GUI
  Liangtai Sun^*, Xingyu Chen^*, Lu Chen, Tianle Dai, Zichen Zhu, Kai Yu
  EMNLP 2022 [Paper] [Dataset]

Large Language Models for Science

• Developing ChemDFM as A Large Language Foundation Model for Chemistry
  Zihan Zhao^*, Da Ma^*, Lu Chen, Liangtai Sun, Zihao Li, Yi Xia, Bo Chen, Hongshen Xu, Zichen Zhu, Su Zhu, Shuai Fan, Guodong Shen, Kai Yu, Xin Chen
  Cell Reports Physical Science, 2025. [Paper][Code][HuggingFace][央视新闻联播]

• ChemDFM-X: Towards Large Multimodal Model for Chemistry
  Zihan Zhao^*, Bo Chen^*, Jingpiao Li, Lu Chen, Liyang Wen, Pengyu Wang, Zichen Zhu, Danyang Zhang, Ziping Wan, Yansi Li, Zhongyang Dai, Xin Chen, Kai Yu
  Science China Information Sciences, 2024. [Paper][Code][HuggingFace]

• SciEval: A Multi-Level Large Language Model Evaluation Benchmark for Scientific Research
  Liangtai Sun, Yang Han, Zihan Zhao, Da Ma, Zhennan Shen, Baocai Chen, Lu Chen, Kai Yu
  AAAI 2024 [Paper][Website]

• AI for Science: 智能化科学设施变革基础研究
  杨小康, 许岩岩, 陈露, 王韫博, 高岳, 田济东, 俞凯, 金耀辉, 梅宏
  中国科学院院刊, 2024, 39(1): 59-69 [Paper][新闻报道]

Professional Services

Action Editor/Area Chair

• ACL Rolling Review (ARR)

Programme Committee Member

• ACL(Main/Demo Track), NAACL(Main/Demo Track), EMNLP, AAAI, NeurIPS, ICML

Journal Reviewer

• Transactions of the Association for Computational Linguistics (TACL)
• IEEE/ACM Transactions on Audio, Speech and Language Processing (TASLP)
• ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM)
• IEEE Intelligent Systems
• Journal of Computer Science and Technology (JCST)
• 自动化学报

Honors and Awards

• 2022 NCMMSC Best Paper Award
• 2021 CCF Outstanding Doctoral Dissertation Award Nomination (17 for CS major in China)
• 2021 ACM (Shanghai Chapter) Outstanding Doctoral Dissertation Award (3 in Shanghai)
• 2020 Shanghai Jiao Tong University (SJTU) Outstanding Doctoral Dissertation Award (15 in SJTU)
• 2018 COLING Area Chair Favorites

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