Yifan Wu


Postdoctoral Researcher

Peking University


Email: yifanwu@pku.edu.cn
😃I am always open to collaborations on research topics about AI4SE!

Education

Research Interests

My research mainly focuses on AIOps, such as log analysis, anomaly detection, root cause analysis, and failure mitigation.

Selected Publications

Preprint
  1. A Survey of AIOps for Failure Management in the Era of Large Language Models [arXiv]
    Lingzhe Zhang, Tong Jia, Mengxi Jia, Yifan Wu, Aiwei Liu, Yong Yang, Zhonghai Wu, Xuming Hu, Philip S. Yu, Ying Li
  2. LogPTR: Variable-Aware Log Parsing with Pointer Network [arXiv]
    Yifan Wu, Bingxu Chai, Siyu Yu, Ying Li, Pinjia He, Wei Jiang, Jianguo Li
Conference
  1. [ICSE'25] An Empirical Study on Commit Message Generation using LLMs via In-Context Learning [arXiv] CCF-A
    Yifan Wu, Yunpeng Wang, Ying Li, Wei Tao, Siyu Yu, Haowen Yang, Wei Jiang, Jianguo Li
    In: 47th IEEE/ACM International Conference on Software Engineering
  2. [ICPC'25] Log Parsing with Self-Generated In-Context Learning and Self-Correction [arXiv] CCF-B
    Yifan Wu, Siyu Yu, Ying Li
    In: 33rd IEEE/ACM International Conference on Program Comprehension
  3. [ICASSP'25] ScalaLog: Scalable Log-Based Failure Diagnosis Using LLM CCF-B
    Lingzhe Zhang, Tong Jia, Mengxi Jia, Yifan Wu, Hongyi Liu, Ying Li
    In: 2025 IEEE International Conference on Acoustics, Speech and Signal Processing
  4. [IJCNN'25] Memory-Enhanced Anomaly Detection Based on Inter-variable Feature Correlation for Multivariate Time Series CCF-C
    Xiaosong Huang, Hongyi Liu, Yifan Wu, Tong Jia, Ying Li, Zhonghai Wu
    In: 2025 International Joint Conference on Neural Networks
  5. [ASE'24] Unlocking the Power of Numbers: Log Compression via Numeric Token Parsing CCF-A
    Siyu Yu, Yifan Wu, Ying Li, Pinjia He
    In: 39th IEEE/ACM International Conference on Automated Software Engineering
  6. [ECML PKDD'24] MMDL-based Data Augmentation with Domain Knowledge for Time Series Classification CCF-B
    Xiaosheng Li, Yifan Wu, Wei Jiang, Ying Li, Jianguo Li
    In: Joint European Conference on Machine Learning and Knowledge Discovery in Databases
  7. [ACL'24] CoCA: Fusing Position Embedding with Collinear Constrained Attention in Transformers for Long Context Window Extending [arXiv] CCF-A
    Shiyi Zhu, Jing Ye, Wei Jiang, Siqiao Xue, Qi Zhang, Yifan Wu, Jianguo Li
    In: 62nd Annual Meeting of the Association for Computational Linguistics
  8. [SANER'24] Understanding and Improving Change Risk Detection in Practice CCF-B
    Yifan Wu, Yunpeng Wang, Jianguo Li, Ying Li, Bingxu Chai, Wei Jiang
    In: 2024 IEEE International Conference on Software Analysis, Evolution and Reengineering
  9. [SANER'24] OCRCL: Online Contrastive Learning for Root Cause Localization of Business Incidents CCF-B
    Xiaosong Huang, Hongyi Liu, Yifan Wu, Yujin Zhao, Changlong Wu, Songlin Zhang, Ling Jiang, Tong Jia, Ying Li, Zhonghai Wu
    In: 2024 IEEE International Conference on Software Analysis, Evolution and Reengineering
  10. [ICSE-SEIP'23] An Empirical Study on Change-induced Incidents of Online Service Systems CCF-A
    Yifan Wu, Bingxu Chai, Ying Li, Bingchang Liu, Jianguo Li, Yong Yang, Wei Jiang
    In: 45th IEEE/ACM International Conference on Software Engineering: Software Engineering in Practice
  11. [ESEC/FSE'23] Log Parsing with Generalization Ability under New Log Types CCF-A
    Siyu Yu, Yifan Wu, Zhijing Li, Pinjia He, Ningjiang Chen, Changjian Liu
    In: 31st ACM Joint European Software Engineering Conference and Symposium on the Foundations of Software Engineering
  12. [ISSRE'23] How to Manage Change-Induced Incidents? Lessons from the Study of Incident Life Cycle CCF-B
    Yujin Zhao, Ling Jiang, Ye Tao, Songlin Zhang, Changlong Wu, Yifan Wu, Tong Jia, Ying Li and Zhonghai Wu
    In: 2023 IEEE 34th International Symposium on Software Reliability Engineering
  13. [SANER'23] UDA-DP: Unsupervised Domain Adaptation for Software Defect Prediction CCF-B
    Xiaosong Huang, Yifan Wu, Hongyi Liu, Ying Li, Hao Yu, Dadi Guo and Zhonghai Wu
    In: 2023 IEEE International Conference on Software Analysis, Evolution and Reengineering
  14. [VLDB'22] ByteGNN: Efficient Graph Neural Network Training at Large Scale CCF-A
    Chenguang Zheng, Hongzhi Chen, Yuxuan Cheng, Zhezheng Song, Yifan Wu, Changji Li, James Cheng, Hao Yang, Shuai Zhang
    In: Proceedings of the VLDB Endowment, Volume 15, Issue 6
  15. [ISSRE'21] LogFlash: Real-time Streaming Anomaly Detection and Diagnosis from System Logs for Large-scale Software Systems CCF-B
    Tong Jia, Yifan Wu, Chuanjia Hou, Ying Li
    In: 2021 IEEE 32nd International Symposium on Software Reliability Engineering
  16. [ISPA'21] Diagnosing Performance Issues in Microservices with Heterogeneous Data Source CCF-C
    Chuanjia Hou, Tong Jia, Yifan Wu, Ying Li, Jing Han
    In: 2021 IEEE International Symposium on Parallel and Distributed Processing with Applications
  17. [ISSRE'20] How Far Have We Come in Detecting Anomalies in Distributed Systems? An Empirical Study with a Statement-level Fault Injection Method CCF-B
    Yong Yang, Yifan Wu, Karthik Pattabiraman, Long Wang, Ying Li
    In: 2020 IEEE 31st International Symposium on Software Reliability Engineering
Journal
  1. [IST'24] XDrain: Effective Log Parsing in Log Streams Using Fixed-depth Forest CCF-B
    Changjian Liu, Yang Tian, Siyu Yu, Donghui Gao, Yifan Wu, Suqun Huang, Xiaochun Hu, Ningjiang Chen
    In: Information and Software Technology
  2. [TSC'23] Brain: Log Parsing with Bidirectional Parallel Tree CCF-A
    Siyu Yu, Pinjia He, Ningjiang Chen, Yifan Wu
    In: IEEE Transactions on Services Computing
  3. [JSS'23] Self-Supervised Log Parsing Using Semantic Contribution Difference CCF-B
    Siyu Yu, Ningjiang Chen, Yifan Wu, Wensheng Dou
    In: Journal of Systems and Software
  4. [Journal of Software'23] Survey on Service Dependency Discovery Technology for Microservice Systems CCF-A
    Qixun Zhang, Yifan Wu, Yong Yang, Tong Jia, Ying Li, Zhonghai Wu
    In: Journal of Software

Academic Services

Committee Member Journal Reviewer