Dr. Yong Liu(刘勇), Associate Professor(副教授、硕士生导师), Coach of Programming Contest(程序设计竞赛教练)
College of Information Science and Technology(信息科学与技术学院)
Beijing University of Chemical Technology(BUCT, 北京化工大学)

I received the B.Sc. M.Sc. and Ph.D. degrees from BUCT in 2008, 2011 and 2018 respectively. My advisor is Professor Zheng Li. My research interests include empirical software engineering, artificial intelligence, and software testing:

• Intelligent Software Engineering（智能化软件工程）
• Software Development and Analysis（软件开发与分析）
• Industrial Internet（工业互联网）
• Source Code Analysis and Manipulation（源代码分析与处理）
• Intelligent Programming Education（智能编程教育）

• Data Structure
• ACM/ICPC Programming Contest Methods and Practice
• Python Programming

• 2022年，北京化工大学信息学院青年教师教学基本功大赛特等奖，最受师生（网络）欢迎奖
• 2022年，北京化工大学新工科建设优秀案例二等奖
• 2022年，北京市教育教学成果二等奖
• 2021年，中国自动化学会高等教育教学成果二等奖
• 2021年，北京化工大学就业工作突出贡献团队
• 2021年，北京化工大学学科竞赛优秀指导团队
• 2021年，北京化工大学优秀学科竞赛指导老师
• 2021年，北京化工大学教育教学成果特等奖
• 2020年，北京化工大学第一届“创新创业优秀指导老师”
• 2020年，中国石油和化工教育教学成果特等奖
• 2016年，北京化工大学教职工乒乓球赛团体冠军
• 2011年，北京化工大学教职工篮球联赛团体冠军，比赛中单场最高44分，进12个三分球

• 2023级：黄瑞士；刘季平；康晓兰；杨彬彬；单光耀；王鑫；
• 2022级：郭力玮；杨泽忠；刘洋滔；许舜清；杨济泽；韩宝龙；
• 2021级：常泽星；张占文；田帅华；范露曦；潘月鹏；
• 2020级：刘恒源-读博；李哲-滴滴；张雨婷-渤海银行；蔡雨萧阳-中国联通；徐明瑞-中航信；
• 2019级：王威博-中国农业银行；周枭棠-腾讯；孙福湘-美团；沈季涛-中国农业银行；石补天-兴业银行；李丽萍-中国银行；田凯-中国电子科技集团；
• 2018级：彭斌-百度；余德利-阿里；娄琨-中国四维测绘；任程前-百度；
• 2017级：贺杰-航天六院；吴永豪-读博-英国UCL培养1年；王海峰-读博-中国计量科学研究院；
• 2015级：史晶晶-字节；
• 2014级：朱占磊-百度；

研究生招生要求：喜欢编程。研究生期间课题组培养的任务是培养学生完成三个目标：

• 参加编程竞赛获得国家级奖励
• 胜任企业实际项目开发
• 发表高水平学术论文

• 2021年北京化工大学研究生教改项目,依托学科竞赛提升研究生实践创新能力，2021.01-2022.12
• 2020年北京化工大学教改专项项目,数据驱动的智能化编程实践教学方法研究，2020.01-2022.12
• 2019年教育部-百度协同育人项目,从算法竞赛到人工智能创意赛，基于AIStudio平台建设人工智能课程和竞赛培训体系，2019.01-2019.12
• Higher-order mutation based fault location technology for real-fault program, National Natural Science Foundation of China, 2020.01-2022.12
• Development of Airworthiness Certificate System (VUE, java spring boot, InfluxDB, python, Deep Learning, Machine Learning, etc.), project from company, 2021.03-2022.09
• Development of Plant Status Moniter System (VUE, java spring boot, MySQL, SQLServer, python, etc.), project from company, 2019.09-now, http://www.bhclient.cn:8089/
• Development of Gene Management Software (C#), project from company, 2019.05-2020.12
• Intelligent Programming Educution System (VSCode online, Docker, Deep Learning, Machine Learning), 2019.05-2022.05
• HUSTOJ based Programming Online Judge System(PHP, MySQL), www.buctcoder.com, From 2012

1. [STVR2023] Delta4Ms: Improving Mutation-based Fault Localization by Eliminating Mutant Bias
   Hengyuan Liu, Zheng Li, Baolong Han, Yangtao Liu, Xiang Chen, Yong Liu*
   Software Testing, Verification & Reliability[SCI, CCF B]
2. [ASE2023] OrdinalFix: Fixing Compilation Errors via Shortest-Path CFL Reachability with Attribute Checking
   Wenjie Zhang, Junjie Chen, Yingfei Xiong, Yong Liu, Lu Zhang
   38th IEEE/ACM International Conference on Automated Software Engineering (ASE2023) [EI, CCF A]
3. [JSS2023] VsusFL: Variable-suspiciousness-based Fault Localization for Novice Programs
   Zheng Li, Shumei Wu, Yong Liu*, Jitao Shen, Yonghao Wu, Zhanwen Zhang, Xiang Chen
   Journal of Systems and Software 2023 [SCI, CCF B]
4. [ICSME2023] GMBFL: Optimizing Mutation-Based Fault Localization via Graph Representation
   Shumei Wu, Zheng Li, Yong Liu, Xiang Chen, Mingyu Li
   International Conference on Software Maintenance and Evolution 2023 [EI, CCF B]
5. [COMPSAC2023] Improving Fault Localization by Complex-Fault Oriented Higher-Order Mutant Generation
   Yong Liu, Zexing Chang, Shumei Wu, Doyle Paul, Haifeng Wang and Xiang Chen
   IEEE Computer Society Signature Conference on Computers, Software, and Applications 2023 [EI, CCF C]
6. [COMPSAC2023] Identifying CC Test Cases with Multiple Features Extraction for Better Fault Localization
   Yonghao Wu, Shuaihua Tian, Zezhong Yang, Zheng Li, Yong Liu and Xiang Chen
   IEEE Computer Society Signature Conference on Computers, Software, and Applications 2023 [EI, CCF C]
7. [COMPSAC2023] SGS: Mutant Reduction for Higher-order Mutation-based Fault Localization
   Zheng Li, Luxi Fan, Hengyuan Liu, Yong Liu, Doyle Paul, Haifeng Wang and Xiang Chen
   IEEE Computer Society Signature Conference on Computers, Software, and Applications 2023 [EI, CCF C]
8. [SPE2022] CRMF: A Fault Localization Approach based on Class Reducteion and Method Call Frequency
   Hengyuan Liu, Yong Liu, Zheng Li, Haifeng Wang, Xiang Chen
   Software: Practice and Experience. [SCI, CCF B]
9. [ICCSE2022] BUCTOL: VS Code Based Integrated Online Programming and Plagiarism Monitoring Platform
   Yong Liu, Zhe Li, Yonghao Wu*, Bin Du*, Heng Jiang
   IEEE International Conference on Computer Science and Education. [EI]
10. [JSME2022] A Token-based Compilation Error Categorization and Its Applications
    Haifeng Wang, Hengyuan Liu, Zheng LI*, Yong Liu*, Fuxiang Sun, XiangChen
    Journal of Software Maintenance and Evolution[SCI, CCF B]
11. [ISSRE2022] Improving the Performance of Mutation-based Fault Localization via Mutant Bias
    Bin Du, Yuxiaoyang Cai, Haifeng Wang*, Yong Liu*, Xiang Chen
    The 33rd IEEE International Symposium on Software Reliability Engineering[CCF B, EI]
12. [TRel2022] Theoretical Analysis and Empirical Study on the Impact of Coincidental Correct Test Cases in Multiple Fault Localization
    Yonghao Wu, Yong Liu*, Weibo Wang, Zheng Li*, Xiang Chen, Doyle Paul
    IEEE Transactions on Reliability[SCI, TOP]
13. [TRel2022] Can Higher-Order-Mutants Improve the Performance of Mutation-based Fault Localization?
    Haifeng Wang, Zheng Li*,Yong Liu*, Xiang Chen, Doyle Paul, Yuxiaoyang Cai, Luxi Fan
    IEEE Transactions on Reliability[SCI, TOP]
14. [TRel2022] SeTransformer: A Transformer-based Code Semantic Parser for Code Comment Generation
    Zheng Li, Yonghao Wu, Bin Peng, Xiang Chen, Zeyu Sun, Yong Liu*, Doyle Paul
    IEEE Transactions on Reliability[SCI, TOP]
15. [SEKM2021] VSBFL: Variable Value Sequence Based Fault Localization for Novice Programs
    Zheng Li, Jitao Shen, Yonghao Wu*, Xiang Chen, Yong Liu*
    International Workshop on Software Engineering and Knowledge Management, co-located with QRS2021. [EI]
16. [IJSEKE2021] An empirical study on Higher-Order Mutation-based Fault Localization
    Haifeng Wang, Zheng Li, Kun Lou, Xiang Chen, Yong Liu*, Ying Shang
    Internation Journal of Software Engineering and Knowledge Engineering. [SCI, CCF C]
17. [ICCSE2021] Automated Student Code Scoring by Analyzing Grammatical and Semantic Information of Code
    Zheng Li, Liping Li, Yonghao Wu*, Yong Liu*, Xiang Chen
    IEEE International Conference on Computer Science and Education. [EI]
18. [ICCSE2021] Applying Faulty Statement Category Frequency to Localize Faults for Student Programs
    Zheng Li, Xiaotang Zhou, Yonghao Wu*, Yong Liu*, Xiang Chen
    IEEE International Conference on Computer Science and Education. [EI]
19. [ICCSE2021] Data-driven based student programming competition award prediction via machine learning models
    Yong Liu, Kai Tian, Haifeng Wang*, Xiang Chen
    IEEE International Conference on Computer Science and Education. [EI]
20. [DSA2021] HMBFL: Higher-Order Mutation-Based Fault Localization
    Zheng Li, Butian Shi, Haifeng Wang*, Yong Liu*, Xiang Chen
    International Conference of Dependable Systems and Their Applications. [EI]
21. [DSA2021] Fault Localization-Guided Test Data Generation Approach for Novice Programs
    Zheng Li, Xiaotang Zhou, Yonghao Wu*, Yong Liu*, Xiang Chen
    International Conference of Dependable Systems and Their Applications. [EI]
22. [JSS2021] SeCNN: A Semantic CNN Parser for Code Comment Generation
    Zheng Li, Yonghao Wu, Bin Peng, Zeyu Sun*, Xiang Chen, Yong Liu*, Xiang Chen
    Journal of Systems and Software. [SCI, CCF-B]
23. [COMPSAC2021] CLACER: A Deep Learning-based Compilation Error Classification Method for Novice Students' Programs
    Zheng Li, Fuxiang Sun, Haifeng Wang*, Yifan Ding, Yong Liu*, Xiang Chen
    COMPSAC2021. [CCF C]
24. [计算机学报2021]软件多缺陷定位方法研究综述.
    李征，吴永豪，王海峰，陈翔*，刘勇*
    计算机学报2021. [一级学报]
25. [JCST2020]FATOC: Bug isolation-based multi-fault localiation by using optics clustering.
    Yonghao Wu, Zheng Li, Yong Liu*, Xiang Chen
    Journal of Computer Science and Technology. 2020. [SCI,CCF-B]
26. [IEEE Access2020]IETCR: An Information Entropy Based Test Case Reduction Strategy for Mutation-Based Fault Localization.
    Haifeng Wang, Bin Du, Jie He, Yong Liu*, Xiang Chen.
    IEEE Access 2020[SCI]
27. [JSS2020]HMER: A Hybrid Mutation Execution Reduction approach for Mutation-based Fault Localization.
    Zheng Li, Haifeng Wang, Yong Liu*.
    Journal of Systems & Software[SCI,CCF-B]
28. [COMPSAC2020]Using Fine-grained Test Cases for Improving Novice Program Fault Localization.
    Zheng Li, Deli Yu, Yonghao Wu, Yong Liu∗.
    IEEE Computer Society Signature Conference on Computers, Software and Applications(COMPSAC). IEEE, 2020.[EI,CCF-C]
29. [COMPSAC2020]IRBFL: An Information Retrieval Based Fault Localization Approach.
    Zheng Li, Xue Bai, Haifeng Wang, Yong Liu∗.
    IEEE Computer Society Signature Conference on Computers, Software and Applications(COMPSAC). IEEE, 2020.[EI,CCF-C]
30. [QRS2019]An Empirical Study of Bug Isolation on theEffectiveness of Multiple Fault Localization.
    Zheng Li, Yonghao Wu, Yong Liu*.
    IEEE International Conference on Software Quality, Reliability and Security. IEEE, 2019.[EI,CCF-C]
31. [JSS2019]A Weighted Fuzzy Classification Approach to Identify and Manipulate Coincidental Correct Test Cases for Fault Localization.
    Yong Liu, Meiying Li, Yonghao Wu, Zheng Li*.
    Journal of Systems and Software, 2019(151):20-37[SCI,CCF-B]
32. [IS2018]An Optimal Mutation Execution Strategy for Cost Reduction of Mutation-Based Fault Localization.
    Yong Liu, Zheng Li, Ruilian Zhao*, Pei Gong.
    Information Science,2018(422):572-596[SCI TOP,CCF-B]
33. [QRS2017]Statement-Oriented Mutant Reduction Strategy for Mutation Based Fault Localization.
    Yong Liu, Zheng Li, Linxin Wang, Ruilian Zhao*.
    S IEEE International Conference on Software Quality, Reliability and Security. IEEE, 2017.[EI,CCF-C]
34. [COMPSAC2017]Fault Classification Oriented Spectrum Based Fault Localization.
    Xiujing Liu, Yong Liu, Zheng Li, Ruilian Zhao.
    IEEE Computer Society Signature Conference on Computers, Software and Applications(COMPSAC). IEEE, 2017.[EI,CCF-C]
35. [SATE2016] Identify Coincidental Correct Test Cases Based on Fuzzy Classification.
    Zheng Li, Meiying Li, Yong Liu*, Jingyao Geng.
    International Conference on Software Analysis, Testing and Evolution. IEEE, 2016:72-77.[EI]
36. [SSBSE2016]Test Data Generation Efficiency Prediction Model for EFSM Based on MGGP.
    Weiwei Wang, Ruilian Zhao, Ying Shang, Yong Liu.
    Symposium of Search Based Software Engineering 2016. Springer, Cham, 2016.[EI]

2023

• Hu Jin, Wang Kongyu, Wang Yao, ICPC Shen Yang Site, Bronze Medal.
• Xue Mohan, Qiu Ruoxin, Fu Xiao, ICPC Ji Nan site, Silver Medal.
• Zhai Haotian, An Xiaoyang, Zheng Liangfei, ICPC Nan Jing Site, Bronze Medal.
• Huang Dongqi, Zeng Zixun, Xu Wenbo, ICPC Nan Jing site, Silver Medal.
• Xue Mohan, Qiu Ruoxin, Fu Xiao, ICPC Hang Zhou site, Silver Medal.
• Huang Dongqi, Zeng Zixun, Xu Wenbo, ICPC Hang Zhou site, Bronze Medal.
• Qiu Ruoxin, Ye Ke, Wang Peisen, CCPC-wFinal, Chong Qing, Silver Medal.
• Tang Yan, Zhang Xinyi, Wang Yan, CCPC-wFinal, Chong Qing, Silver Medal.
• Ji Yingyan, Fang Yucheng, Xu Yun, CCPC-wFinal, Chong Qing, Bronze Medal.
• Hu Jin, Wang Kongyu, Wang Yao, ICPC Xi'An Site, Bronze Medal.
• Yang Qingbo, Liu Junshu, Sun Tongyu, ICPC Xi'An Site, Silver Medal.
• Zhai Haotian, An Xiaoyang, Zheng Liangfei, ICPC Xi'An Site, Silver Medal.
• Huang Dongqi, Zeng Zixun, Xu Wenbo, CCPC Qinhuangdao Site, Silver Medal.
• Huang Dongqi, Zeng Zixun, Xu Wenbo, ICPC ShanXi Invitational, Golden Medal.

• Qiu Ruoxin, Ye Ke, Zhang Muqi, CCPC-wFinal, Golden Medal.
• Fang Yucheng, Zhang Yuqi, Liu Jiatong, CCPC-wFinal, Bronze Medal.
• Tang Yan, Zhang Xinyi, Xu Yun, CCPC-wFinal, Bronze Medal.
• Wang Yan, Wang Peisen, Li Xinying, CCPC-wFinal, Bronze Medal.
• Zeng Pufan, Li Peifeng, Xiong Wei, CCPC Guangzhou site, Bronze Medal.
• Xu Wenbo, Han Mingchen, CCPC Mianyang site, Bronze Medal.
• Ye Ke, Han MingChen, Huang Dongqi, CCPC Guangzhou site, Bronze Medal.
• Liu XiangRui, Qiu Ruoxin, Huang Dongqi, CCPC Guilin site, Bronze Medal.
• Zeng Pufan, Li Peifeng, Xiong Wei, ICPC Hefei site, Bronze Medal.
• Zeng Zixun, Liang kaixing, Hong Shushi, ICPC Hefei site, Silver Medal.
• Lv Jinhao, Jiang Yingjian, ZhaoYi Feiyang, ICPC Shenyang site, Bronze Medal.

• Yu Zhuang, Shidong Zhang, Ke Ye, ICPC Jinan site, Golden Medal.
• Yu Zhuang, Shidong Zhang, Ke Ye, CCPC Guilin site, Silver Medal.
• Pinzhi Chen, Siqi Li, Yuanyuan Liu, CCPC wFinal, Silver Medal.
• Wenjing Xie, Yuting Mei, Ruimin Fu, CCPC wFinal, Silver Medal.
• Ke Ye, Yimeng Zhang, Muqi Zhang, CCPC wFinal, Bronze Medal.
• Yu Zhuang, Shihai Wang, Ben Hua, ICPC Kunming site, Bronze Medal.
• Yu Zhuang, Shihai Wang, Ben Hua, ICPC YinChuan site, Silver Medal.
• Shidong Zhang, Zhaoxu Luo, Zhonghao Zhang, ICPC YinChuan site, Silver Medal.
• Shidong Zhang, Zhaoxu Luo, Zhonghao Zhang, ICPC ShenYang site, Bronze Medal.

• Xuchao Luo, Shidong Zhang, Zhonghao Zhang, CCPC WeiHai site, Bronze Medal.
• Xuchao Luo, Shidong Zhang, Zhonghao Zhang, CCPC Changchun site, Bronze Medal.
• Yu Zhuang, Shihai Wang, Ben Hua, CCPC MianYang Site, Silver Medal.
• Yu Zhuang, Ben Hua, Shihai Wang, CCPC QinHuangDao site, Bronze Medal.
• Pinzhi Chen, Siqi Li, Yuanyuan Liu, CCPC wFinal, Silver Medal.
• Wenjing Xie, Yuting Mei, Xiao Li, CCPC wFinal, Bronze Medal.
• Ruimin Fu, Yanru Shen, Liuxue Huang, CCPC wFinal, Bronze Medal.

• Yikun Zhang, Chunjing Shi, Pinzhi Chen, CCPC w-Final, Silver Medal.
• Chaoxu Luo, Zhonghao Zhang, Renren Jin, CCPC Xiamen, Bronze Medal.
• Zicheng Luo, Ben Hua, Shihai Wang, CCPC Ha’erbin, Bronze Medal.
• Chaoxu Luo, Zhonghao Zhang, Renren Jin, ICPC Nanchang, Bronze Medal.
• Zicheng Luo, Ben Hua, Shihai Wang, ICPC Shanghai, Bronze Medal.
• Yu Zhuang, Dongdong Xiong, Pinzhi Chen, ICPC Nanjing, Bronze Medal.
• Chaoxu Luo, Zhonghao Zhang, Renren Jin, ICPC Xuzhou, Bronze Medal.
• Yu Zhuang, Dongdong Xiong, Pinzhi Chen, ICPC Hongkong, Bronze Medal.
• Zicheng Luo, Ben Hua, Shihai Wang, ICPC Shenyang, Bronze Medal.
• Chaoxu Luo, Zhonghao Zhang, Renren Jin, CCPC final, Bronze Medal.

• Yiding Hong, Youxin Pang, Xin Wang, ACM-ICPC Asia Reginal Contest Nanjing Site, Bronze Medal
• Weijie Zhao, Quanda Liu, ACM-ICPC Asia Reginal Contest Xuzhou Site, Golden Medal
• Yunhao Zhang, Zhaoxin Jiang, Wendi Fan, ACM-ICPC Asia Reginal Contest Qingdao Site, Bronze Medal
• Yiding Hong, Youxin Pang, Xin Wang, ACM-ICPC Asia Reginal Contest Qingdao Site, Bronze Medal
• Junyu Liu, Yixin Hu, Lifeng Zhang, ACM-ICPC Asia Reginal Contest Beijing Site, Bronze Medal
• Renren Jin, Chen Wang, Zhonghao Zhang, ACM-ICPC Asia Reginal Contest Jiaozuo Site, Bronze Medal
• Weijie Zhao, Quanda Liu, CCPC Final, Bronze Medal
• Renren Jin, Chen Wang, Zhaoxu Luo, CCPC Guilin Site, Bronze Medal
• Weijie Zhao, Quanda Liu, Peiyao Deng, CCPC Qinhuangdao site, Silver Medal
• Weijie Zhao, Quanda Liu, Yikun Zhang, CCPC Jilin site, Silver Medal
• Weijie Zhao, Quanda Liu, Peiyang Deng, ACM-ICPC Asia Reginal Contest Xi’an Invitational, Silver Medal
• Fan Zhang, Jin Wang, Yikun Zhang, CCPC w-Final, Bronze Medal
• Jiali Zhangxing, Jingyang Zang, Qunjing Shi, CCPC w-Final, Bronze Medal

• Yiting Guo, Weijie Zhao, Quanda Liu. ACM-ICPC Asia Reginal Contest EcFinal 2017, Bronze Medal.
• Peng Zhong, Yichao Li, Nan Yan. CCPC2017 Final, Bronze Medal
• Yiting Guo, Weijie Zhao, Quanda Liu. ACM-ICPC Asia Reginal Contest Qingdao Site 2017, Gold Medal.
• Xiao Zi, Bing Li, Feilong Zuo. ACM-ICPC Asia Reginal Contest Qingdao Site 2017, Silver Medal.
• Yiting Guo, Weijie Zhao, Quanda Liu. ACM-ICPC Asia Reginal Contest Xian Site 2017, Silver Medal.
• Peng Zhong, Yichao Li, Nan Yan. ACM-ICPC Asia Reginal Contest Xian Site 2017, Silver Medal.
• Xiao Zi, Bing Li, Feilong Zuo. CCPC2017, Qinghuangdao site, Bronze Medal.
• Yiting Guo, Weijie Zhao, Quanda Liu. CCPC2017 Haerbin site, Silver Medal
• Peng Zhong, Yichao Li, Nan Yan. CCPC2017 Haerbin site, Bronze Medal
• Fan Zhang, Xingjiali Zhang, Jin Wang. CCPC-WFinal, Bronze Medal.
• Yichao Li, Nan Yan, Yiting Guo. ACM-ICPC Asia Reginal Invitational Contest Xian Site 2017, Bronze Medal.

• Yining Zhang, Peng Zhong, Zexin Lu. ACM-ICPC Asia Reginal Contest Qingdao Site 2016, Bronze Medal.
• Fan Zhang, Xingjiali Zhang, Jin Wang. CCPC-WFinal, Bronze Medal.

• Yang Xu, Chaoxiang Chen, Yining Zhang. ACM-ICPC Asia Reginal Contest Changchun Site 2015, Bronze Medal.

• Zeyu Sun, Yining Zhang, Di Zeng. ACM-ICPC Asia Reginal Contest Shanghai Site 2014, Bronze Medal.
• Chentao Luo, Jiyi Shen, Chen Ni. ACM-ICPC Asia Reginal Invitational Contest Beijing Site 2014, Bronze Medal.