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The need for countering Advanced Persistent Threat (APT) attacks has led to the solutions that ubiquitously monitor system activities in each enterprise host, and perform timely abnormal system behavior detection over the stream of…

密码学与安全 · 计算机科学 2020-03-02 Peng Gao , Xusheng Xiao , Ding Li , Kangkook Jee , Haifeng Chen , Sanjeev R. Kulkarni , Prateek Mittal

Time series anomaly detection is critical for modern digital infrastructures, yet existing methods lack systematic cross-domain evaluation. We present a comprehensive forecasting-based framework unifying classical methods (Holt-Winters,…

机器学习 · 计算机科学 2025-10-14 Mohammad Karami , Mostafa Jalali , Fatemeh Ghassemi

This paper showcases an experimental study on anomaly detection using computer vision. The study focuses on class distinction and performance evaluation, combining OpenCV with deep learning techniques while employing a TensorFlow-based…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Md. Barkat Ullah Tusher , Shartaz Khan Akash , Amirul Islam Showmik

Identification of anomalous events within system logs constitutes a pivotal element within the frame- work of cybersecurity defense strategies. However, this process faces numerous challenges, including the management of substantial data…

密码学与安全 · 计算机科学 2025-10-21 Zeng Zhang , Wenjie Yin , Xiaoqi Li

Detecting anomalies is important for identifying inefficiencies, errors, or fraud in business processes. Traditional process mining approaches focus on analyzing 'flattened', sequential, event logs based on a single case notion. However,…

统计金融 · 定量金融 2024-03-05 Alessandro Niro , Michael Werner

The increasing popularity of server usage has brought a plenty of anomaly log events, which have threatened a vast collection of machines. Recognizing and categorizing the anomalous events thereby is a much salient work for our systems,…

分布式、并行与集群计算 · 计算机科学 2018-01-03 Jiechao Cheng , Rui Ren , Lei Wang , Jianfeng Zhan

This paper proposes a structure-aware driven scheduling graph modeling method to improve the accuracy and representation capability of anomaly identification in scheduling behaviors of complex systems. The method first designs a…

机器学习 · 计算机科学 2025-12-23 Ning Lyu , Junjie Jiang , Lu Chang , Chihui Shao , Feng Chen , Chong 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…

Within today's large-scale systems, one anomaly can impact millions of users. Detecting such events in real-time is essential to maintain the quality of services. It allows the monitoring team to prevent or diminish the impact of a failure.…

人工智能 · 计算机科学 2023-04-25 Arthur Vervaet

Agentic workflows in large language model systems integrate retrieval, reasoning, and memory, but existing frameworks suffer from scalability and reproducibility limitations due to fragmented data orchestration, serialization overhead, and…

分布式、并行与集群计算 · 计算机科学 2026-05-05 Arup Kumar Sarker , Mills Staylor , Aymen Alsaadi , Gregor von Laszewski , Shantenu Jha , Geoffrey Fox

Anomalies represent deviations from the intended system operation and can lead to decreased efficiency as well as partial or complete system failure. As the causes of anomalies are often unknown due to complex system dynamics, efficient…

机器学习 · 计算机科学 2021-08-31 Benjamin Lindemann , Benjamin Maschler , Nada Sahlab , Michael Weyrich

Recent deep learning approaches in table detection achieved outstanding performance and proved to be effective in identifying document layouts. Currently, available table detection benchmarks have many limitations, including the lack of…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Mrinal Haloi , Shashank Shekhar , Nikhil Fande , Siddhant Swaroop Dash , Sanjay G

The emergence of sixth-generation and beyond communication systems is expected to fundamentally transform digital experiences through introducing unparalleled levels of intelligence, efficiency, and connectivity. A promising technology…

The identification of undesirable behavior in event logs is an important aspect of process mining that is often addressed by anomaly detection methods. Traditional anomaly detection methods tend to focus on statistically rare behavior and…

人工智能 · 计算机科学 2024-07-01 Kiran Busch , Timotheus Kampik , Henrik Leopold

Understanding user behavior is essential for improving digital experiences, optimizing business conversions, and mitigating threats like account takeovers, fraud, and bot attacks. Most platforms separate product analytics and security,…

密码学与安全 · 计算机科学 2026-02-02 Md Zahurul Haque , Md. Hafizur Rahman , Yeahyea Sarker

Retrieval-augmented generation (RAG) demonstrates remarkable performance across tasks in open-domain question-answering. However, traditional search engines may retrieve shallow content, limiting the ability of LLMs to handle complex,…

计算与语言 · 计算机科学 2025-08-12 Jialong Wu , Wenbiao Yin , Yong Jiang , Zhenglin Wang , Zekun Xi , Runnan Fang , Linhai Zhang , Yulan He , Deyu Zhou , Pengjun Xie , Fei Huang

Accuracy anomaly detection in user-level network traffic is crucial for network security. Compared with existing models that passively detect specific anomaly classes with large labeled training samples, user-level network traffic contains…

密码学与安全 · 计算机科学 2025-01-16 Tongtong Feng , Qi Qi , Lingqi Guo , Jingyu Wang

Web traffic (WT) refers to time-series data that captures the volume of data transmitted to and from a web server during a user's visit to a website. However, web traffic has different distributions coming from various sources as well as…

网络与互联网体系结构 · 计算机科学 2024-12-13 Yundi He , Runhua Shi , Boyan Wang

Continuous Integration/Continuous Deployment (CI/CD) is fundamental for advanced software development, supporting faster and more efficient delivery of code changes into cloud environments. However, security issues in the CI/CD pipeline…

软件工程 · 计算机科学 2025-05-05 Sabbir M. Saleh , Ibrahim Mohammed Sayem , Nazim Madhavji , John Steinbacher

Modern software systems generate extensive heterogeneous log data with dynamic formats, fragmented event sequences, and varying temporal patterns, making anomaly detection both crucial and challenging. To address these complexities, we…

人工智能 · 计算机科学 2025-12-17 Przemek Pospieszny , Wojciech Mormul , Karolina Szyndler , Sanjeev Kumar