Education

M.S. - Computer Science and Technology, the School of Computer Science and Technology, East China Normal University, Shanghai, 2022-2025 (expected)
B.S. - Artificial Intelligence, the School of Computer Science and Technology, Soochow University, 2018-2022
High School - School Affiliated to Nanjing Normal University, 2014-2018

Work Experience

October 2024 till now: Shanghai Artificial Intelligence Laboratory
- Position: a full-time research intern
- Duties: LLMs self-correction, code2code translation, math reasoning
May 2024 - October 2024: RedBook
- Position: a business-focused NLP intern in advertising algorithms
- Duties: note title generation, note title review, note content generation and research for hallucination detection
March 2023 - April 2023: Shanghai Institute of Intelligent Education
- Position: LLM developer
- Duties: early-stage research on LLM development, including the expansion of the Chinese vocabulary

Enhancing Uncertainty Modeling with Semantic Graph for Hallucination Detection. [arxiv] [github]
Kedi Chen*, Qin Chen*†, Jie Zhou, Xinqi Tao, Bowen Ding, Jingwen Xie, Mingchen Xie, Peilong Li, Feng Zheng. In AAAI2025 (Long)
DiaHalu: A Dialogue-level Hallucination Evaluation Benchmark for Large Language Models. [arxiv] [github]
Kedi Chen, Qin Chen†, Jie Zhou, Yishen He, Liang He. In EMNLP2024 findings (Long)
A Regularization-based Transfer Learning Method for Information Extraction via Instructed Graph Decoder. [arxiv] [github]
Kedi Chen, Jie Zhou, Qin Chen†, Shunyu Liu, Liang He. In COLING2024 (Long)
Game.
xxx, xxx, xxx, Kedi Chen. In NAACL2025 (short, under review)
Hallucination.
xxx, xxx, xxx, Kedi Chen. In ICASSP2025 (Long, under review)
Causal Intervention-based Prompt Debiasing for Event Argument Extraction. [arxiv] [github]
Jiaju Lin, Kedi Chen, Qin Chen†, Jie Zhou, Liang He. In arxiv2023 (Long)
Recommendation Model Based on Heterogeneous Information Networks. (In Chinese)
Kedi Chen, Lei Zhao†, Xinyi Chen, Kenan Shi. In Computer System Applications (2022.8)

*: equal contribution †: corresponding author

Language: Chinese, English (CET6: 528)
Programming language: Python (mostly used), C++ (used in algorithmic competitions)
NLP domains: applications of LLMs, hallucination of LLMs, math/code reasoning (synthetic data generation), information extraction (including sentiment analysis), knowledge graph
Deep Learning Framework: Pytorch, FastNLP, Firefly, LLaMA-Factory

reviewer of conferences: AAAI2022, PRCV2023, ARR2024, AAAI2025, COLING2025
student membership of the China Computer Federation
student membership of the Committee on Natural Language Processing in Shanghai
president of the Military Enthusiasts Association of Soochow University from 2019 to 2020