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Related papers: LogPurge: Log Data Purification for Anomaly Detect…

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Context: Logs are often the primary source of information for system developers and operations engineers to understand and diagnose the behavior of a software system in production. In many cases, logs are the only evidence available for…

Software Engineering · Computer Science 2021-12-23 Eduardo Mendes , Fabio Petrillo

Logging code plays an important role in software systems by recording key events and behaviors, which are essential for debugging and monitoring. However, insecure logging practices can inadvertently expose sensitive information or enable…

Software Engineering · Computer Science 2026-04-23 He Yang Yuan , Xin Wang , Kundi Yao , An Ran Chen , Zishuo Ding , Zhenhao Li

High-quality, error-free datasets are a key ingredient in building reliable, accurate, and unbiased machine learning (ML) models. However, real world datasets often suffer from errors due to sensor malfunctions, data entry mistakes, or…

Machine Learning · Computer Science 2025-03-11 Tommaso Bendinelli , Artur Dox , Christian Holz

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by integrating external knowledge sources, enabling more accurate and contextually relevant responses tailored to user queries. These systems, however, remain…

Computation and Language · Computer Science 2025-05-26 Huichi Zhou , Kin-Hei Lee , Zhonghao Zhan , Yue Chen , Zhenhao Li , Zhaoyang Wang , Hamed Haddadi , Emine Yilmaz

Log anomaly detection is a critical task for system operations and security assurance. However, in networked systems at scale, log data are generated at massive scale while instance-level annotations are prohibitively expensive, posing…

Machine Learning · Computer Science 2026-05-13 Yutszyuk Wong , Wentai Wu , Yuen-Ying Yeung , Weiwei Lin

Anomaly detection is a crucial and challenging subject that has been studied within diverse research areas. In this work, we explore the task of log anomaly detection (especially computer system logs and user behavior logs) by analyzing…

Machine Learning · Computer Science 2021-01-08 Yicheng Guo , Yujin Wen , Congwei Jiang , Yixin Lian , Yi Wan

Log anomaly detection plays a critical role in ensuring the stability and reliability of software systems. However, existing approaches rely on large amounts of labeled log data, which poses significant challenges in real-world…

Software Engineering · Computer Science 2025-07-29 Xinlong Zhao , Tong Jia , Minghua He , Yihan Wu , Ying Li , Gang Huang

This paper presents a novel methodology for enhancing Automated Program Repair (APR) through synthetic data generation utilizing Large Language Models (LLMs). Current APR systems are constrained by the limited availability of high-quality…

Software Engineering · Computer Science 2026-03-31 David de-Fitero-Dominguez , Antonio Garcia-Cabot , Eva Garcia-Lopez

Anomaly detection describes methods of finding abnormal states, instances or data points that differ from a normal value space. Industrial processes are a domain where predicitve models are needed for finding anomalous data instances for…

Machine Learning · Computer Science 2022-09-26 Alexander Zeiser , Bas van Stein , Thomas Bäck

Software logs are messages recorded during the execution of a software system that provide crucial run-time information about events and activities. Although software logs have a critical role in software maintenance and operation tasks,…

Software Engineering · Computer Science 2025-05-22 Roozbeh Aghili , Xingfang Wu , Foutse Khomh , Heng Li

Logs are imperative in the development and maintenance process of many software systems. They record detailed runtime information that allows developers and support engineers to monitor their systems and dissect anomalous behaviors and…

Software Engineering · Computer Science 2019-01-07 Jieming Zhu , Shilin He , Jinyang Liu , Pinjia He , Qi Xie , Zibin Zheng , Michael R. Lyu

Reinforcement learning (RL) has transformed sequential decision-making, but traditional algorithms like Deep Q-Networks (DQNs) and Proximal Policy Optimization (PPO) often struggle with efficient exploration, stability, and adaptability in…

Machine Learning · Computer Science 2025-09-16 Umberto Gonçalves de Sousa

The real-time demand for system security leads to the detection rules becoming an integral part of the intrusion detection life-cycle. Rule-based detection often identifies malicious logs based on the predefined grammar logic, requiring…

Cryptography and Security · Computer Science 2025-11-18 Hongtai Wang , Ming Xu , Yanpei Guo , Weili Han , Hoon Wei Lim , Jin Song Dong

A long standing goal of the data management community is to develop general, automated systems that ingest semi-structured documents and output queryable tables without human effort or domain specific customization. Given the sheer variety…

Computation and Language · Computer Science 2025-03-10 Simran Arora , Brandon Yang , Sabri Eyuboglu , Avanika Narayan , Andrew Hojel , Immanuel Trummer , Christopher Ré

Detecting anomalies in business processes is crucial for ensuring operational success. While many existing methods rely on statistical frequency to detect anomalies, it's important to note that infrequent behavior doesn't necessarily imply…

Computation and Language · Computer Science 2025-12-16 Wei Guan , Jian Cao , Jianqi Gao , Haiyan Zhao , Shiyou Qian

The micro-structure of most of the engineering alloys contains some inclusions and precipitates, which may affect their properties, therefore it is crucial to characterize them. In this work we focus on the development of a state-of-the-art…

Signal Processing · Electrical Eng. & Systems 2020-03-10 Matan Rusanovsky , Gal Oren , Sigalit Ifergane , Ofer Beeri

In recent years, Large Language Models (LLMs) have achieved remarkable advancements, drawing significant attention from the research community. Their capabilities are largely attributed to large-scale architectures, which require extensive…

Often the challenge associated with tasks like fraud and spam detection[1] is the lack of all likely patterns needed to train suitable supervised learning models. In order to overcome this limitation, such tasks are attempted as outlier or…

Machine Learning · Computer Science 2018-08-22 Utkarsh Porwal , Smruthi Mukund

Logs are critical resources that record events, activities, or messages produced by software applications, operating systems, servers, and network devices. However, consolidating the heterogeneous logs and cross-referencing them is…

Software Engineering · Computer Science 2024-12-18 Rabimba Karanjai , Yang Lu , Dana Alsagheer , Keshav Kasichainula , Lei Xu , Weidong Shi , Shou-Hsuan Stephen Huang

Data quality remains an important challenge in data-driven systems, as errors in tabular data can severely compromise downstream analytics and machine learning performance. Although numerous error detection algorithms have been proposed,…

Databases · Computer Science 2026-03-10 Xinyuan Liu , Jiahui Chen , Bocheng Hu , Yu Sun , Xinyang Chen , Shaoxu Song , Yongxin Tong