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相关论文: RationAnomaly: Log Anomaly Detection with Rational…

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The growing complexity of log data in modern software systems has prompted the use of Large Language Models (LLMs) for automated log analysis. Current approaches typically rely on direct supervised fine-tuning (SFT) on log-label pairs.…

As the IT industry advances, system log data becomes increasingly crucial. Many computer systems rely on log texts for management due to restricted access to source code. The need for log anomaly detection is growing, especially in…

机器学习 · 计算机科学 2023-11-10 Gunho No , Yukyung Lee , Hyeongwon Kang , Pilsung Kang

Automated video surveillance with Large Vision-Language Models is limited by their inherent bias towards normality, often failing to detect crimes. While Chain-of-Thought reasoning strategies show significant potential for improving…

计算机视觉与模式识别 · 计算机科学 2025-12-24 Pedro Domingos , João Pereira , Vasco Lopes , João Neves , David Semedo

Log-based anomaly detection is fundamentally constrained by training data sparsity. Our empirical study reveals that public benchmark datasets cover less than 10% of source code log templates. Consequently, models frequently misclassify…

软件工程 · 计算机科学 2026-04-14 Xinyu Li , Yintong Huo , Chenxi Mao , Shiwen Shan , Yuxin Su , Yanlin Wang , Zibin Zheng

Logs have been an imperative resource to ensure the reliability and continuity of many software systems, especially large-scale distributed systems. They faithfully record runtime information to facilitate system troubleshooting and…

软件工程 · 计算机科学 2022-01-12 Zhuangbin Chen , Jinyang Liu , Wenwei Gu , Yuxin Su , Michael R. Lyu

System logs are a critical resource for monitoring and managing distributed systems, providing insights into failures and anomalous behavior. Traditional log analysis techniques, including template-based and sequence-driven approaches,…

人工智能 · 计算机科学 2025-12-16 Anfeng Peng , Ajesh Koyatan Chathoth , Stephen Lee

Detecting system anomalies based on log data is important for ensuring the security and reliability of computer systems. Recently, deep learning models have been widely used for log anomaly detection. The core idea is to model the log…

机器学习 · 计算机科学 2023-12-12 Xiao Han , Shuhan Yuan , Mohamed Trabelsi

Retrieval-augmented language models (RALMs) represent a substantial advancement in the capabilities of large language models, notably in reducing factual hallucination by leveraging external knowledge sources. However, the reliability of…

计算与语言 · 计算机科学 2024-10-04 Wenhao Yu , Hongming Zhang , Xiaoman Pan , Kaixin Ma , Hongwei Wang , Dong Yu

Log analysis is crucial for monitoring system health and diagnosing failures in complex systems. Recent advances in large language models (LLMs) offer new opportunities for automated log analysis, leveraging their reasoning capabilities to…

人工智能 · 计算机科学 2025-09-30 Lipeng Ma , Yixuan Li , Weidong Yang , Mingjie Zhou , Xinyi Liu , Ben Fei , Shuhao Li , Xiaoyan Sun , Sihang Jiang , Yanghua Xiao

Chain-of-thought (CoT) reasoning boosts large language models' (LLMs) performance on complex tasks but faces two key limitations: a lack of reliability when solely relying on LLM-generated reasoning chains and lower reasoning performance…

计算与语言 · 计算机科学 2025-09-11 Feiyang Li , Peng Fang , Zhan Shi , Arijit Khan , Fang Wang , Weihao Wang , Xin Zhang , Yongjian Cui

Large language Models (LLMs) have achieved promising performance on arithmetic reasoning tasks by incorporating step-by-step chain-of-thought (CoT) prompting. However, LLMs face challenges in maintaining factual consistency during…

计算与语言 · 计算机科学 2023-10-03 Tianci Xue , Ziqi Wang , Zhenhailong Wang , Chi Han , Pengfei Yu , Heng Ji

Recent advances in industrial anomaly detection have highlighted the need for deeper logical anomaly analysis, where unexpected relationships among objects, counts, and spatial configurations must be identified and explained. Existing…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Weijia Li , Guanglei Chu , Jiong Chen , Guo-Sen Xie , Caifeng Shan , Fang Zhao

Anomalies or failures in large computer systems, such as the cloud, have an impact on a large number of users that communicate, compute, and store information. Therefore, timely and accurate anomaly detection is necessary for reliability,…

人工智能 · 计算机科学 2021-02-24 Harold Ott , Jasmin Bogatinovski , Alexander Acker , Sasho Nedelkoski , Odej Kao

Automatic log file analysis enables early detection of relevant incidents such as system failures. In particular, self-learning anomaly detection techniques capture patterns in log data and subsequently report unexpected log event…

机器学习 · 计算机科学 2023-05-16 Max Landauer , Sebastian Onder , Florian Skopik , Markus Wurzenberger

The detection of anomalies is essential mining task for the security and reliability in computer systems. Logs are a common and major data source for anomaly detection methods in almost every computer system. They collect a range of…

机器学习 · 计算机科学 2020-08-24 Sasho Nedelkoski , Jasmin Bogatinovski , Alexander Acker , Jorge Cardoso , Odej Kao

In information retrieval, large language models (LLMs) have demonstrated remarkable potential in text reranking tasks by leveraging their sophisticated natural language understanding and advanced reasoning capabilities. However,…

信息检索 · 计算机科学 2025-09-22 Haowei Liu , Xuyang Wu , Guohao Sun , Zhiqiang Tao , Yi Fang

Complex numerical time series analysis often demands multi-step reasoning capabilities beyond current models' reach. Tasks like medical diagnosis and weather forecasting require sequential reasoning processes - including counterfactual…

机器学习 · 计算机科学 2026-03-17 Felix Parker , Nimeesha Chan , Chi Zhang , Kimia Ghobadi

Industrial anomaly detection demands precise reasoning over fine-grained defect patterns. However, existing multimodal large language models (MLLMs), pretrained on general-domain data, often struggle to capture category-specific anomalies,…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Peng Chen , Chao Huang , Yunkang Cao , Chengliang Liu , Wei Wang , Wenqiang Wang , Mingbo Yang , Li Shen , Wenqi Ren , Xiaochun Cao

Software systems often record important runtime information in logs to help with troubleshooting. Log-based anomaly detection has become a key research area that aims to identify system issues through log data, ultimately enhancing the…

软件工程 · 计算机科学 2025-04-15 Wei Guan , Jian Cao , Shiyou Qian , Jianqi Gao , Chun Ouyang

Log anomaly detection is a critical component in modern software system security and maintenance, serving as a crucial support and basis for system monitoring, operation, and troubleshooting. It aids operations personnel in timely…

软件工程 · 计算机科学 2024-07-31 Yingying He , Xiaobing Pei
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