Publications

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2025

Aghili, Roozbeh; Li, Heng; Khomh, Foutse

Protecting Privacy in Software Logs: What Should be Anonymized? Proceedings Article

In: Proceedings of the ACM on Software Engineering (FSE), pp. 1317–1338, ACM 2025.

Links | BibTeX | Tags: Log analysis, Observability, Privacy

Huang, Shu-Wei; Wu, Xingfang; Li, Heng

LogLSHD: Fast Log Parsing with Locality-Sensitive Hashing and Dynamic Time Warping Proceedings Article

In: Companion Proceedings of the 33rd ACM International Conference on the Foundations of Software Engineering, pp. 11-20, ACM 2025.

Links | BibTeX | Tags: Log analysis, Observability

Qin, Qiaolin; Aghili, Roozbeh; Li, Heng; Merlo, Ettore

Preprocessing is All You Need: Boosting the Performance of Log Parsers With a General Preprocessing Framework Proceedings Article

In: Proceedings of the 32nd IEEE International Conference on Software Analysis, Evolution and Reengineering (SANER), pp. 310–320, IEEE 2025.

Links | BibTeX | Tags: Log analysis, Observability

Wu, Xingfang; Li, Heng; Khomh, Foutse

What information contributes to log-based anomaly detection? Insights from a configurable transformer-based approach Journal Article

In: Automated Software Engineering (ASE), vol. 32, no. 58, pp. 1–29, 2025.

Links | BibTeX | Tags: Log analysis, Observability

2024

Batoun, Mohamed Amine; Sayagh, Mohammed; Aghili, Roozbeh; Ouni, Ali; Li, Heng

A Literature Review and Existing Challenges on Software Logging Practices - From the Creation to the Analysis of Software Logs Journal Article

In: Empirical Software Engineering (EMSE), vol. 29, no. 103, pp. 61 pages, 2024.

Links | BibTeX | Tags: Log analysis, Logging, Observability

2023

Dai, Hetong; Tang, Yiming; Li, Heng; Shang, Weiyi

PILAR: Studying and Mitigating the Influence of Configurations on Log Parsing Proceedings Article

In: Proceedings of the 45rd International Conference on Software Engineering (ICSE), pp. 818–829, IEEE 2023.

Links | BibTeX | Tags: Log analysis, Observability

Wu, Xingfang; Li, Heng; Khomh, Foutse

On the Effectiveness of Log Representation for Log-based Anomaly Detection Journal Article

In: Empirical Software Engineering (EMSE), vol. 28, no. 137, pp. 39 pages, 2023.

Links | BibTeX | Tags: Log analysis, Observability

2022

Locke, Steven; Li, Heng; Chen, Tse-Hsun Peter; Shang, Weiyi; Liu, Wei

LogAssist: Assisting Log Analysis Through Log Summarization Journal Article

In: IEEE Transactions on Software Engineering (TSE), vol. 48, no. 9, pp. 3227–3241, 2022.

Links | BibTeX | Tags: Log analysis, Observability

2020

Dai, Hetong; Li, Heng; Chen, Che-Shao; Shang, Weiyi; Chen, Tse-Hsun

Logram: Efficient Log Parsing Using n-Gram Dictionaries Journal Article

In: IEEE Transactions on Software Engineering (TSE), vol. 48, no. 3, pp. 879–892, 2020.

Links | BibTeX | Tags: Log analysis, Observability

Yao, Kundi; Li, Heng; Shang, Weiyi; Hassan, Ahmed E.

A Study of the Performance of General Compressors on Log Files Journal Article

In: Empirical Software Engineering (EMSE), vol. 25, no. 5, pp. 3043–3085, 2020.

Links | BibTeX | Tags: Log analysis, Observability