Homepage - Fang Liu

About Me

Ph.D. at School of Computer Science, Peking University, supervised by Prof. Zhi Jin and Prof. Ge Li

Assistant Professor at School of Computer Science & Engineering, Beihang University

I am currently an Assistant Professor at School of Computer Science & Engineering, Beihang University, China. My research mainly focuses on software engineering, including AI for SE, program understanding, code generation, and program repair.

fangliu(at)buaa.edu.cn Google Scholar GitHub ORCID

Education

Peking University

Ph.D. in Computer Science

Sep. 2017 - Jul. 2022
Chongqing University

B.S. in Computer Science

Sep. 2013 - Jul. 2017

Teaching

Compiler Technology at Beihang University（Fall）

Compulsory Course

2024
Programming in Cangjie Language（Spring）

Elective Course

2025

News

2025

Our paper "An Empirical Study of Parameter-Efficient Fine-Tuning in Code Change Learning and Beyond" has been accepted by TSE

Nov 12

Our paper "SecureReviewer: Enhancing Large Language Models for Secure Code Review through Secure-Aware Fine-Tuning" has been accepted by ICSE'26

Oct 16

Our paper "RepoScope: Leveraging Call Chain-Aware Multi-View Context for Repository-Level Code Generation" has been accepted by ICSE'26

Oct 16

Our paper "FastCoder: Accelerating Repository-level Code Generation via Efficient Retrieval and Verification" has been accepted by ASE'25

Sep 26

Our paper "AutoPLC: Generating Vendor-Aware Structured Text for Programmable Logic Controllers" has been accepted by ASE'25 (Industry Showcase Track)

Sep 12

Our paper "EfficientEdit: Accelerating Code Editing via Edit-Oriented Speculative Decoding" has been accepted by ASE'25

Aug 14

Our paper "Explainable Fault Localization for Programming Assignments via LLM-Guided Annotation" has been accepted by ASE'25

Aug 14

Our paper "Peer-aided Repairer: Empowering Large Language Models to Repair Advanced Student Assignments" has been accepted by EMSE

Aug 11

Our paper "LONGCODEU: Benchmarking Long-Context Language Models on Long Code Understanding" has been accepted by ACL'25 main

May 16

Our paper "On the Applicability of Code Language Models to Scientific Computing Programs" has been accepted by IEEE Transactions on Software Engineering

Apr 21

Selected Publications (view all )

SecureReviewer: Enhancing Large Language Models for Secure Code Review through Secure-aware Fine-tuning

Fang Liu, Simiao Liu, Yinghao Zhu, Xiaoli Lian, Li Zhang^# (^# corresponding author)

48th International Conference on Software Engineering (ICSE'26), 2026 CCF-A

[Paper] [Code]

SecureReviewer: Enhancing Large Language Models for Secure Code Review through Secure-aware Fine-tuning

Fang Liu, Simiao Liu, Yinghao Zhu, Xiaoli Lian, Li Zhang^# (^# corresponding author)

48th International Conference on Software Engineering (ICSE'26), 2026 CCF-A

[Paper] [Code]

RepoScope: Leveraging Call Chain-Aware Multi-View Context for Repository-Level Code Generation

Yang Liu, Li Zhang, Fang Liu^#, Zhuohang Wang, Donglin Wei, Zhishuo Yang, Kechi Zhang, Jia Li, Lin Shi (^# corresponding author)

48th International Conference on Software Engineering (ICSE'26), 2026 CCF-A

[Paper] [Code]

RepoScope: Leveraging Call Chain-Aware Multi-View Context for Repository-Level Code Generation

Yang Liu, Li Zhang, Fang Liu^#, Zhuohang Wang, Donglin Wei, Zhishuo Yang, Kechi Zhang, Jia Li, Lin Shi (^# corresponding author)

48th International Conference on Software Engineering (ICSE'26), 2026 CCF-A

[Paper] [Code]

FASTCODER: Accelerating Repository-level Code Generation via Efficient Retrieval and Verification

Qianhui Zhao, Li Zhang, Fang Liu^#, Xiaoli Lian^#, Qiaoyuanhe Meng, Ziqian Jiao, Zetong Zhou, Jia Li, Lin Shi (^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25), 2025 CCF-A

[Paper] [Code]

FASTCODER: Accelerating Repository-level Code Generation via Efficient Retrieval and Verification

Qianhui Zhao, Li Zhang, Fang Liu^#, Xiaoli Lian^#, Qiaoyuanhe Meng, Ziqian Jiao, Zetong Zhou, Jia Li, Lin Shi (^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25), 2025 CCF-A

[Paper] [Code]

AutoPLC: Generating Vendor-Aware Structured Text for Programmable Logic Controllers

Donghao Yang*, Aolang Wu*, Tianyi Zhang*, Li Zhang, Xiaoli Lian^#, Fang Liu^#, Yuming Ren, Jiaji Tian, Xiaoyin Che (* equal contribution, ^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25 Industry Showcase Track), 2025 CCF-A

[Paper] [Code]

AutoPLC: Generating Vendor-Aware Structured Text for Programmable Logic Controllers

Donghao Yang*, Aolang Wu*, Tianyi Zhang*, Li Zhang, Xiaoli Lian^#, Fang Liu^#, Yuming Ren, Jiaji Tian, Xiaoyin Che (* equal contribution, ^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25 Industry Showcase Track), 2025 CCF-A

[Paper] [Code]

Explainable Fault Localization for Programming Assignments via LLM-Guided Annotation

Fang Liu*, Tianze Wang*, Li Zhang, Zheyu Yang, Jing Jiang^#, Zian Sun (* equal contribution, ^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25), 2025 CCF-A

[Paper] [Code]

Explainable Fault Localization for Programming Assignments via LLM-Guided Annotation

Fang Liu*, Tianze Wang*, Li Zhang, Zheyu Yang, Jing Jiang^#, Zian Sun (* equal contribution, ^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25), 2025 CCF-A

[Paper] [Code]

EfficientEdit: Accelerating Code Editing via Edit-Oriented Speculative Decoding

Peiding Wang, Li Zhang, Fang Liu^#, Yinghao Zhu, Wang Xu, Lin Shi^#, Xiaoli Lian, Minxiao Li, Bo Shen, An Fu (^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25), 2025 CCF-A

[Paper] [Code]

EfficientEdit: Accelerating Code Editing via Edit-Oriented Speculative Decoding

Peiding Wang, Li Zhang, Fang Liu^#, Yinghao Zhu, Wang Xu, Lin Shi^#, Xiaoli Lian, Minxiao Li, Bo Shen, An Fu (^# corresponding author)

40th IEEE/ACM International Conference on Automated Software Engineering (ASE'25), 2025 CCF-A

[Paper] [Code]

Learning to Represent Code Semantics

Fang Liu, Ge Li, Qianhui Zhao, Li Zhang^# (^# corresponding author)

Science China Information Sciences (SCIS'25), 2025 CCF-A

[Paper]

Learning to Represent Code Semantics

Fang Liu, Ge Li, Qianhui Zhao, Li Zhang^# (^# corresponding author)

Science China Information Sciences (SCIS'25), 2025 CCF-A

[Paper]

LONGCODEU: Benchmarking Long-Context Language Models on Long Code Understanding

Jia Li, Xuyuan Guo, Lei Li, Kechi Zhang, Ge Li^#, Zhengwei Tao, Fang Liu, Chongyang Tao, Yuqi Zhu, Zhi Jin^# (^# corresponding author)

The 63rd Annual Meeting of the Association for Computational Linguistics (ACL'25 main), 2025 CCF-A

[Paper] [Dataset]

LONGCODEU: Benchmarking Long-Context Language Models on Long Code Understanding

Jia Li, Xuyuan Guo, Lei Li, Kechi Zhang, Ge Li^#, Zhengwei Tao, Fang Liu, Chongyang Tao, Yuqi Zhu, Zhi Jin^# (^# corresponding author)

The 63rd Annual Meeting of the Association for Computational Linguistics (ACL'25 main), 2025 CCF-A

[Paper] [Dataset]

On the Applicability of Code Language Models to Scientific Computing Programs

Qianhui Zhao, Fang Liu^#, Xiao Long, Chengru Wu, Li Zhang^# (^# corresponding author)

IEEE Transactions on Software Engineering (TSE'25), 2025 CCF-A

[Paper] [Code]

On the Applicability of Code Language Models to Scientific Computing Programs

Qianhui Zhao, Fang Liu^#, Xiao Long, Chengru Wu, Li Zhang^# (^# corresponding author)

IEEE Transactions on Software Engineering (TSE'25), 2025 CCF-A

[Paper] [Code]

Incorporating Verification Standards for Security Requirements Generation from Functional Specifications

Xiaoli Lian, Shuaisong Wang, Hanyu Zou, Fang Liu, Jiajun Wu, Li Zhang^# (^# corresponding author)

International Conference on the Foundations of Software Engineering (FSE'25), 2025 CCF-A

[Paper] [Code]

Incorporating Verification Standards for Security Requirements Generation from Functional Specifications

Xiaoli Lian, Shuaisong Wang, Hanyu Zou, Fang Liu, Jiajun Wu, Li Zhang^# (^# corresponding author)

International Conference on the Foundations of Software Engineering (FSE'25), 2025 CCF-A

[Paper] [Code]

Large Language Model-Aware In-Context Learning for Code Generation

Jia Li, Chongyang Tao, Jia Li, Ge Li^#, Zhi Jin^#, Huangzhao Zhang, Zheng Fang, Fang Liu (^# corresponding author)

ACM Transactions on Software Engineering and Methodology (TOSEM'25), 2025 CCF-A

[Paper]

Large Language Model-Aware In-Context Learning for Code Generation

Jia Li, Chongyang Tao, Jia Li, Ge Li^#, Zhi Jin^#, Huangzhao Zhang, Zheng Fang, Fang Liu (^# corresponding author)

ACM Transactions on Software Engineering and Methodology (TOSEM'25), 2025 CCF-A

[Paper]

PATCH: Empowering Large Language Model with Programmer-Intent Guidance and Collaborative-Behavior Simulation for Automatic Bug Fixing

Yuwei Zhang, Zhi Jin^#, Ying Xing, Ge Li^#, Fang Liu, Jiaxin Zhu, Wensheng Dou, Jun Wei^# (^# corresponding author)

ACM Transactions on Software Engineering and Methodology (TOSEM'25), 2025 CCF-A

[Paper] [Code]

PATCH: Empowering Large Language Model with Programmer-Intent Guidance and Collaborative-Behavior Simulation for Automatic Bug Fixing

Yuwei Zhang, Zhi Jin^#, Ying Xing, Ge Li^#, Fang Liu, Jiaxin Zhu, Wensheng Dou, Jun Wei^# (^# corresponding author)

ACM Transactions on Software Engineering and Methodology (TOSEM'25), 2025 CCF-A

[Paper] [Code]

Enhancing Automated Program Repair with Solution Design

Jiuang Zhao*, Donghao Yang*, Li Zhang, Xiaoli Lian^#, Zitian Yang, Fang Liu (* equal contribution, ^# corresponding author)

Proceedings of the 39th IEEE/ACM International Conference on Automated Software Engineering (ASE'24), 2024 CCF-A

[Paper]

Enhancing Automated Program Repair with Solution Design

Jiuang Zhao*, Donghao Yang*, Li Zhang, Xiaoli Lian^#, Zitian Yang, Fang Liu (* equal contribution, ^# corresponding author)

Proceedings of the 39th IEEE/ACM International Conference on Automated Software Engineering (ASE'24), 2024 CCF-A

[Paper]

FastFixer: An Efficient and Effective Approach for Repairing Programming Assignments

Fang Liu*, Zhenwei Liu*, Qianhui Zhao, Jing Jiang^#, Li Zhang, Zian Sun, Ge Li, Zhongqi Li, Yuchi Ma (* equal contribution, ^# corresponding author)

Proceedings of the 39th IEEE/ACM International Conference on Automated Software Engineering (ASE'24), 2024 CCF-A

[Paper] [Code]

FastFixer: An Efficient and Effective Approach for Repairing Programming Assignments

Fang Liu*, Zhenwei Liu*, Qianhui Zhao, Jing Jiang^#, Li Zhang, Zian Sun, Ge Li, Zhongqi Li, Yuchi Ma (* equal contribution, ^# corresponding author)

Proceedings of the 39th IEEE/ACM International Conference on Automated Software Engineering (ASE'24), 2024 CCF-A

[Paper] [Code]

Exploring and Unleashing the Power of Large Language Models in Automated Code Translation

Zhen Yang, Fang Liu^#, Zhongxing Yu^#, Jacky Wai Keung, Jia Li, Shuo Liu, Yifan Hong, Xiaoxue Ma, Zhi Jin, Ge Li (^# corresponding author)

International Conference on the Foundations of Software Engineering (FSE'24), 2024 CCF-A

[Paper] [Code]

Exploring and Unleashing the Power of Large Language Models in Automated Code Translation

Zhen Yang, Fang Liu^#, Zhongxing Yu^#, Jacky Wai Keung, Jia Li, Shuo Liu, Yifan Hong, Xiaoxue Ma, Zhi Jin, Ge Li (^# corresponding author)

International Conference on the Foundations of Software Engineering (FSE'24), 2024 CCF-A

[Paper] [Code]

Non-Autoregressive Line-Level Code Completion

Fang Liu, Zhiyi Fu, Ge Li, Zhi Jin, Hui Liu, Yiyang Hao, Li Zhang^# (^# corresponding author)

ACM Transactions on Software Engineering and Methodology (TOSEM'24), 2024 CCF-A

[Paper]

Non-Autoregressive Line-Level Code Completion

Fang Liu, Zhiyi Fu, Ge Li, Zhi Jin, Hui Liu, Yiyang Hao, Li Zhang^# (^# corresponding author)

ACM Transactions on Software Engineering and Methodology (TOSEM'24), 2024 CCF-A

[Paper]

Syntax and Domain Aware Model for Unsupervised Program Translation

Fang Liu, Jia Li, Li Zhang^# (^# corresponding author)

IEEE/ACM 45th International Conference on Software Engineering (ICSE'23), 2023 CCF-A

[Paper]

Syntax and Domain Aware Model for Unsupervised Program Translation

Fang Liu, Jia Li, Li Zhang^# (^# corresponding author)

IEEE/ACM 45th International Conference on Software Engineering (ICSE'23), 2023 CCF-A

[Paper]

Learning to Recommend Method Names with Global Context

Fang Liu, Ge Li^#, Zhiyi Fu, Shuai Lu, Yiyang Hao, Zhi Jin^# (^# corresponding author)

Proceedings of the 44th International Conference on Software Engineering (ICSE'22), 2022 CCF-A

[Paper] [Code]

Learning to Recommend Method Names with Global Context

Fang Liu, Ge Li^#, Zhiyi Fu, Shuai Lu, Yiyang Hao, Zhi Jin^# (^# corresponding author)

Proceedings of the 44th International Conference on Software Engineering (ICSE'22), 2022 CCF-A

[Paper] [Code]

Multi-task Learning based Pre-trained Language Model for Code Completion

Fang Liu, Ge Li^#, Yunfei Zhao, Zhi Jin^# (^# corresponding author)

Proceedings of the 35th IEEE/ACM international conference on automated software engineering (ASE'20), 2020 CCF-A

[Paper] [Code]

Multi-task Learning based Pre-trained Language Model for Code Completion

Fang Liu, Ge Li^#, Yunfei Zhao, Zhi Jin^# (^# corresponding author)

Proceedings of the 35th IEEE/ACM international conference on automated software engineering (ASE'20), 2020 CCF-A

[Paper] [Code]

A Self-Attentional Neural Architecture for Code Completion with Multi-Task Learning

Fang Liu, Ge Li^#, Bolin Wei, Xin Xia, Zhiyi Fu, Zhi Jin^# (^# corresponding author)

IEEE/ACM 28th International Conference on Program Comprehension (ICPC'20), 2020 CCF-B Distinguished Paper Award

[Paper] [Code]

A Self-Attentional Neural Architecture for Code Completion with Multi-Task Learning

Fang Liu, Ge Li^#, Bolin Wei, Xin Xia, Zhiyi Fu, Zhi Jin^# (^# corresponding author)

IEEE/ACM 28th International Conference on Program Comprehension (ICPC'20), 2020 CCF-B Distinguished Paper Award

[Paper] [Code]

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Education

Teaching

News

Selected Publications (view all )

SecureReviewer: Enhancing Large Language Models for Secure Code Review through Secure-aware Fine-tuning

SecureReviewer: Enhancing Large Language Models for Secure Code Review through Secure-aware Fine-tuning

RepoScope: Leveraging Call Chain-Aware Multi-View Context for Repository-Level Code Generation

RepoScope: Leveraging Call Chain-Aware Multi-View Context for Repository-Level Code Generation

FASTCODER: Accelerating Repository-level Code Generation via Efficient Retrieval and Verification

FASTCODER: Accelerating Repository-level Code Generation via Efficient Retrieval and Verification

AutoPLC: Generating Vendor-Aware Structured Text for Programmable Logic Controllers

AutoPLC: Generating Vendor-Aware Structured Text for Programmable Logic Controllers

Explainable Fault Localization for Programming Assignments via LLM-Guided Annotation

Explainable Fault Localization for Programming Assignments via LLM-Guided Annotation

EfficientEdit: Accelerating Code Editing via Edit-Oriented Speculative Decoding

EfficientEdit: Accelerating Code Editing via Edit-Oriented Speculative Decoding

Learning to Represent Code Semantics

Learning to Represent Code Semantics

LONGCODEU: Benchmarking Long-Context Language Models on Long Code Understanding

LONGCODEU: Benchmarking Long-Context Language Models on Long Code Understanding

On the Applicability of Code Language Models to Scientific Computing Programs

On the Applicability of Code Language Models to Scientific Computing Programs

Incorporating Verification Standards for Security Requirements Generation from Functional Specifications

Incorporating Verification Standards for Security Requirements Generation from Functional Specifications

Large Language Model-Aware In-Context Learning for Code Generation

Large Language Model-Aware In-Context Learning for Code Generation

PATCH: Empowering Large Language Model with Programmer-Intent Guidance and Collaborative-Behavior Simulation for Automatic Bug Fixing

PATCH: Empowering Large Language Model with Programmer-Intent Guidance and Collaborative-Behavior Simulation for Automatic Bug Fixing

Enhancing Automated Program Repair with Solution Design

Enhancing Automated Program Repair with Solution Design

FastFixer: An Efficient and Effective Approach for Repairing Programming Assignments

FastFixer: An Efficient and Effective Approach for Repairing Programming Assignments

Exploring and Unleashing the Power of Large Language Models in Automated Code Translation

Exploring and Unleashing the Power of Large Language Models in Automated Code Translation

Non-Autoregressive Line-Level Code Completion

Non-Autoregressive Line-Level Code Completion

Syntax and Domain Aware Model for Unsupervised Program Translation

Syntax and Domain Aware Model for Unsupervised Program Translation

Learning to Recommend Method Names with Global Context

Learning to Recommend Method Names with Global Context

Multi-task Learning based Pre-trained Language Model for Code Completion

Multi-task Learning based Pre-trained Language Model for Code Completion

A Self-Attentional Neural Architecture for Code Completion with Multi-Task Learning

A Self-Attentional Neural Architecture for Code Completion with Multi-Task Learning

All publications