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Author

Sepideh Hodaeian

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Preprint Sep 2026

TAILOR: Template-Preserving Augmentation for Long-Tailed Log Parsing

Log parsing is essential for system log analysis because it supports tasks such as debugging, monitoring, and anomaly detection by transforming unstructured log messages into structured log templates. However, real-world log datasets exhibit highly imbalanced, long-tailed distributions, where a small number of frequent...

Sepideh Hodaeian, Zhen-Hao Li, An-Ran Chen · 0 citations
Book Open access Jul 2026

An Empirical Study on the Prevalence of Rare Logs and its Impact of Log Parsing

It is shown that strong overall accuracy can coexist with poor performance on rare but operationally critical log templates, and the need for evaluation protocols that explicitly account for template frequency when assessing log parsers in real-world settings is highlighted.

Sepideh Hodaeian · 0 citations

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