Portrait of Chen Lyu

Chen Lyu (吕晨)

Associate Professor, School of Information Science & Engineering
Shandong Normal University

From explainable to auditable code — guided by rules, measured by evidence. (不以规矩,不能成方圆)

I work at the intersection of intelligent software engineering and software security, with a current focus on trustworthy code generation. My group studies white-box, auditable generation pipelines that unify correctness × efficiency × security × auditability, embedding decision & evidence into the generation process to move from explainable to auditable code. We also build repo-level analyses and benchmarks for LLM→CodeQL generation/evaluation and study LLM security for code.

🚀 I’m open to motivated students and collaborators in trustworthy code generation, repo-level security, and LLM security for code.

Research

Selected Publications

* corresponding author. A full list is on Google Scholar.

CCF A CCF B CCF C

SemGuard: Real-Time Semantic Evaluator for Correcting LLM-Generated Code

Qinglin Wang, Zhihong Sun, Ruyun Wang, Tao Huang, Zhi Jin, Ge Li, Chen Lyu*

ASE 2025 CCF A

Ensembling Large Language Models for Code Vulnerability Detection: An Empirical Evaluation

Zhihong Sun, Jia Li, Yao Wan, Chuanyi Li, Hongyu Zhang, Zhi Jin, Ge Li, Hong Liu, Chen Lyu*, Songlin Hu

arXiv:2509.12629, 2025

Sifting through the Chaff: On Utilizing Execution Feedback for Ranking the Generated Code Candidates

Zhihong Sun, Yao Wan, Jia Li, Hongyu Zhang, Zhi Jin, Ge Li, Chen Lyu*

ASE 2024 CCF A

IRCoCo: Immediate Rewards-Guided Deep Reinforcement Learning for Code Completion

Bolun Li, Zhihong Sun, Tao Huang, Hongyu Zhang, Yao Wan, Ge Li, Zhi Jin, Chen Lyu*

FSE 2024 CCF A

KareCoder: A Knowledge-Enriched Code Generation System

Tao Huang, Zhihong Sun, Zhi Jin, Ge Li, Chen Lyu*

ICSE 2024 CCF A

TACO: Topics in Algorithmic Code Generation Dataset

Rongao Li, Jie Fu, Bowen Zhang, Tao Huang, Zhihong Sun, Chen Lyu*, Guang Liu, Zhi Jin, Ge Li

arXiv:2312.14852, 2023

Efficient Dynamic Evolution of Service Composition

Chen Lyu, Wei Jiang, Jiye Wang, Guoliang Lu, Zhiyong Liu, Songlin Hu

IEEE Transactions on Services Computing CCF A, 2018

APISynth: A New Graph-Based API Recommender System

Chen Lyu, Wei Jiang, Yue Liu, Songlin Hu

ICSE 2014 CCF A

News

Contact

Email: lvchen@sdnu.edu.cn

Google Scholar: OZ_NVPUAAAAJ