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Representative Research Works
DocLens: A Tool-Augmented Multi-Agent Framework for Long Visual Document Understanding
ACL, 2026
A tool-augmented multi-agent framework for evidence-grounded long visual document understanding.
SELECTED AND RECENT
Publications
Research Papers
DocLens: A Tool-Augmented Multi-Agent Framework for Long Visual Document Understanding
ACL, 2026
Chain-of-Thought Matters: Improving Long-Context Language Models with Reasoning Path Supervision
Findings of EMNLP, 2025
LongAttn: Selecting Long-context Training Data via Token-level Attention
Findings of ACL, 2025
WIKIGENBENCH: Exploring Full-length Wikipedia Generation under Real-World Scenario
COLING, 2025
More Tokens, Lower Precision: Towards the Optimal Token-Precision Trade-off in KV Cache Compression
Findings of ACL, 2025
EERPD: Leveraging Emotion and Emotion Regulation for Improving Personality Detection
COLING, 2025
AgentBank: Towards Generalized LLM Agents via Fine-Tuning on 50000+ Interaction Trajectories
Findings of EMNLP, 2024
Surveys
Technical Reports
MiMo: Unlocking the Reasoning Potential of Language Model -- From Pretraining to Posttraining
arXiv, 2025
* denotes equal contribution. For a full list, please see Google Scholar.
EDUCATION & EXPERIENCE
Education & Work Experience
Peking University
Beijing, China
Ph.D. Student, School of Computer Science
Sept 2022 - Present
Advisor: Prof. Sujian Li.
B.Sc. in Computer Science and Technology, School of EECS
Sept 2018 - Jun 2022
Xiaomi MiMo
Beijing, China
Research Intern
Mar 2026 - Present
Core Contributor of MiMo-V2 and V2.5 Series.
Google Cloud AI
Sunnyvale, CA, USA
Student Researcher
Jun 2025 - Feb 2026
Xiaomi MiMo
Beijing, China
Research Intern
Jan 2025 - Jun 2025
Core Contributor of MiMo-7B and MiMo-7B-VL.
Microsoft Research Asia
Beijing, China
Research Intern
Jun 2023 - Mar 2024
Mentored by Liang Wang and Nan Yang. Research on long-context retrieval and efficient context window extension.
AWARDS & COMMUNITY
Awards & Community Contributions
- Merit Student, Peking University, 2025.
- First-Class Scholarship, Peking University, 2025.
- Award of Academic Excellence, Peking University, 2024.
- Jiukun Scholarship, School of Computer Science, Peking University, 2024.
- Stars of Tomorrow, Microsoft Research Asia, 2024.
- Excellent Graduate of Peking University, 2022.
- Reviewer for ICLR, NeurIPS, EMNLP, ACL, COLING, ICASSP, and related venues.