English
Related papers

Related papers: CodeAD: Synthesize Code of Rules for Log-based Ano…

200 papers

Log anomaly detection (LAD) is essential to ensure safe and stable operation of software systems. Although current LAD methods exhibit significant potential in addressing challenges posed by unstable log events and temporal sequence…

Software Engineering · Computer Science 2024-10-23 Jiyu Tian , Mingchu Li , Zumin Wang , Liming Chen , Jing Qin , Runfa Zhang

As software systems grow increasingly intricate, the precise detection of anomalies have become both essential and challenging. Current log-based anomaly detection methods depend heavily on vast amounts of log data leading to inefficient…

Software Engineering · Computer Science 2024-09-17 Lingzhe Zhang , Tong Jia , Kangjin Wang , Mengxi Jia , Yang Yong , Ying Li

Anomaly detection (AD) is an important machine learning task with many real-world uses, including fraud detection, medical diagnosis, and industrial monitoring. Within natural language processing (NLP), AD helps detect issues like spam,…

Computation and Language · Computer Science 2025-10-13 Tiankai Yang , Yi Nian , Shawn Li , Ruiyao Xu , Yuangang Li , Jiaqi Li , Zhuo Xiao , Xiyang Hu , Ryan Rossi , Kaize Ding , Xia Hu , Yue Zhao

Anomaly detection is valuable for real-world applications, such as industrial quality inspection. However, most approaches focus on detecting local structural anomalies while neglecting compositional anomalies incorporating logical…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jinjin Zhang , Guodong Wang , Yizhou Jin , Di Huang

System logs are some of the most important information for the maintenance of software systems, which have become larger and more complex in recent years. The goal of log-based anomaly detection is to automatically detect system anomalies…

Machine Learning · Computer Science 2024-02-19 Yuuki Yamanaka , Tomokatsu Takahashi , Takuya Minami , Yoshiaki Nakajima

Logs are extensively used during the development and maintenance of software systems. They collect runtime events and allow tracking of code execution, which enables a variety of critical tasks such as troubleshooting and fault detection.…

Machine Learning · Computer Science 2020-03-20 Sasho Nedelkoski , Jasmin Bogatinovski , Alexander Acker , Jorge Cardoso , Odej Kao

Log analysis is crucial for ensuring the orderly and stable operation of information systems, particularly in the field of Artificial Intelligence for IT Operations (AIOps). Large Language Models (LLMs) have demonstrated significant…

Computation and Language · Computer Science 2024-07-03 Tianyu Cui , Shiyu Ma , Ziang Chen , Tong Xiao , Shimin Tao , Yilun Liu , Shenglin Zhang , Duoming Lin , Changchang Liu , Yuzhe Cai , Weibin Meng , Yongqian Sun , Dan Pei

Static analysis tools are widely used to detect software bugs and vulnerabilities but often struggle with scalability and efficiency in complex codebases. Traditional approaches rely on manually crafted annotations -- labeling functions as…

Logs are an essential source of information for people to understand the running status of a software system. Due to the evolving modern software architecture and maintenance methods, more research efforts have been devoted to automated log…

Software Engineering · Computer Science 2024-04-09 Xingfang Wu , Heng Li , Foutse Khomh

We introduce LLM4AD, a unified Python platform for algorithm design (AD) with large language models (LLMs). LLM4AD is a generic framework with modularized blocks for search methods, algorithm design tasks, and LLM interface. The platform…

Artificial Intelligence · Computer Science 2026-02-27 Fei Liu , Rui Zhang , Zhuoliang Xie , Rui Sun , Kai Li , Qinglong Hu , Ping Guo , Xi Lin , Xialiang Tong , Mingxuan Yuan , Zhenkun Wang , Zhichao Lu , Qingfu Zhang

Log anomaly detection is crucial for preserving the security of operating systems. Depending on the source of log data collection, various information is recorded in logs that can be considered log modalities. In light of this intuition,…

Machine Learning · Computer Science 2026-01-01 Mohammad Nasirzadeh , Jafar Tahmoresnezhad , Parviz Rashidi-Khazaee

Recent surface anomaly detection methods excel at identifying structural anomalies, such as dents and scratches, but struggle with logical anomalies, such as irregular or missing object components. The best-performing logical anomaly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Matic Fučka , Vitjan Zavrtanik , Danijel Skočaj

Logs are essential for diagnosing failures and conducting retrospective studies, leading many software organizations to retain log messages for a long time. Nevertheless, the volume of generated log data grows rapidly as software systems…

Software Engineering · Computer Science 2026-03-24 Shiwen Shan , Yintong Huo , Hongzhan Zhong , Zhining Wang , Yuxin Su , Zibin Zheng

In spite of the rapid advancements in unsupervised log anomaly detection techniques, the current mainstream models still necessitate specific training for individual system datasets, resulting in costly procedures and limited scalability…

Software Engineering · Computer Science 2024-01-17 Runqiang Zang , Hongcheng Guo , Jian Yang , Jiaheng Liu , Zhoujun Li , Tieqiao Zheng , Xu Shi , Liangfan Zheng , Bo Zhang

Anomaly detection becomes increasingly important for the dependability and serviceability of IT services. As log lines record events during the execution of IT services, they are a primary source for diagnostics. Thereby, unsupervised…

Machine Learning · Computer Science 2021-09-21 Thorsten Wittkopp , Alexander Acker , Sasho Nedelkoski , Jasmin Bogatinovski , Dominik Scheinert , Wu Fan , Odej Kao

Log parsing serves as an essential prerequisite for various log analysis tasks. Recent advancements in this field have improved parsing accuracy by leveraging the semantics in logs through fine-tuning large language models (LLMs) or…

Software Engineering · Computer Science 2024-08-09 Junjie Huang , Zhihan Jiang , Zhuangbin Chen , Michael R. Lyu

Artificial Intelligence for IT Operations (AIOps) describes the process of maintaining and operating large IT systems using diverse AI-enabled methods and tools for, e.g., anomaly detection and root cause analysis, to support the…

Artificial Intelligence · Computer Science 2022-07-08 Jasmin Bogatinovski , Gjorgji Madjarov , Sasho Nedelkoski , Jorge Cardoso , Odej Kao

Log anomaly detection refers to the task that distinguishes the anomalous log messages from normal log messages. Transformer-based large language models (LLMs) are becoming popular for log anomaly detection because of their superb ability…

Machine Learning · Computer Science 2025-03-20 Zhuoyi Yang , Ian G. Harris

Log statements have become an integral part of modern software systems. Prior research efforts have focused on supporting the decisions of placing log statements, such as where/what to log. With the increasing adoption of Large Language…

Software Engineering · Computer Science 2025-11-05 Hao Zhang , Dongjun Yu , Lei Zhang , Guoping Rong , Yongda Yu , Haifeng Shen , He Zhang , Dong Shao , Hongyu Kuang

Software systems log massive amounts of data, recording important runtime information. Such logs are used, for example, for log-based anomaly detection, which aims to automatically detect abnormal behaviors of the system under analysis by…

Software Engineering · Computer Science 2024-08-20 Zanis Ali Khan , Donghwan Shin , Domenico Bianculli , Lionel Briand