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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

Additive manufacturing enables the fabrication of complex designs while minimizing waste, but faces challenges related to defects and process anomalies. This study presents a novel multimodal Retrieval-Augmented Generation-based framework…

Artificial Intelligence · Computer Science 2025-05-21 Kiarash Naghavi Khanghah , Zhiling Chen , Lela Romeo , Qian Yang , Rajiv Malhotra , Farhad Imani , Hongyi Xu

This paper provides preliminary results on exploring the task of performing turn-level data augmentation for dialogue system based on different types of commonsense relationships, and the automatic evaluation of the generated synthetic…

Computation and Language · Computer Science 2025-06-25 Marcos Estecha-Garitagoitia , Chen Zhang , Mario Rodríguez-Cantelar , Luis Fernando D'Haro

Software-intensive systems produce logs for troubleshooting purposes. Recently, many deep learning models have been proposed to automatically detect system anomalies based on log data. These models typically claim very high detection…

Software Engineering · Computer Science 2022-02-16 Van-Hoang Le , Hongyu Zhang

Despite significant progress in text anomaly detection for web applications such as spam filtering and fake news detection, existing methods are fundamentally limited to document-level analysis, unable to identify which specific parts of a…

Computation and Language · Computer Science 2026-01-21 Yang Cao , Bicheng Yu , Sikun Yang , Ming Liu , Yujiu Yang

Effective anomaly detection from logs is crucial for enhancing cybersecurity defenses by enabling the early identification of threats. Despite advances in anomaly detection, existing systems often fall short in areas such as post-detection…

Cryptography and Security · Computer Science 2025-04-04 Zhuoran Tan , Qiyuan Wang , Christos Anagnostopoulos , Shameem P. Parambath , Jeremy Singer , Sam Temple

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.…

Artificial Intelligence · Computer Science 2023-04-25 Arthur Vervaet

Large language models (LLMs) are increasingly applied to sequential decision-making through in-context learning (ICL), yet their effectiveness is highly sensitive to prompt quality. Effective prompts should meet three principles: focus on…

Artificial Intelligence · Computer Science 2025-11-19 Ruomeng Ding , Wei Cheng , Minglai Shao , Chen Zhao

Logging, the practice of inserting log statements into source code, is critical for improving software reliability. Recently, language model-based techniques have been developed to automate log statement generation based on input code.…

Software Engineering · Computer Science 2025-04-03 Boyin Tan , Junjielong Xu , Zhouruixing Zhu , Pinjia He

Automatic detection of depression is a rapidly growing field of research at the intersection of psychology and machine learning. However, with its exponential interest comes a growing concern for data privacy and scarcity due to the…

Machine Learning · Computer Science 2024-11-27 Andrea Kang , Jun Yu Chen , Zoe Lee-Youngzie , Shuhao Fu

We introduce a novel, general-purpose audio generation framework specifically designed for anomaly detection and localization. Unlike existing datasets that predominantly focus on industrial and machine-related sounds, our framework focuses…

Benefiting from generalizability of vision-language models (VLMs) such as CLIP, many zero-/few-shot anomaly detection (AD) approaches have achieved impressive detection performance across various datasets. Nevertheless, they require…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Yi Zhang , Jiawen Zhu , Lele Fu , Guansong Pang

As Large Language Models (LLMs) grow increasingly adept at managing complex tasks, the evaluation set must keep pace with these advancements to ensure it remains sufficiently discriminative. Item Discrimination (ID) theory, which is widely…

Computation and Language · Computer Science 2024-10-08 Fan Lin , Shuyi Xie , Yong Dai , Wenlin Yao , Tianjiao Lang , Zishan Xu , Zhichao Hu , Xiao Xiao , Yuhong Liu , Yu Zhang

Rich and context-aware activity logs facilitate user behavior analysis and health monitoring, making them a key research focus in ubiquitous computing. The remarkable semantic understanding and generation capabilities of Large Language…

Artificial Intelligence · Computer Science 2025-07-21 Ye Tian , Xiaoyuan Ren , Zihao Wang , Onat Gungor , Xiaofan Yu , Tajana Rosing

The evolution of Large Language Models (LLMs) from static instruction-followers to autonomous agents necessitates operating within complex, stateful environments to achieve precise state-transition objectives. However, this paradigm is…

Artificial Intelligence · Computer Science 2026-03-03 Yucheng Zeng , Weipeng Lu , Linyun Liu , Shupeng Li , Zitian Qu , Chenghao Zhu , Shaofei Li , Zhengdong Tan , Mengyue Liu , Haotian Zhao , Zhe Zhou , Jianmin Wu

Observability in cloud infrastructure is critical for service providers, driving the widespread adoption of anomaly detection systems for monitoring metrics. However, existing systems often struggle to simultaneously achieve explainability,…

Machine Learning · Computer Science 2025-01-27 Yile Gu , Yifan Xiong , Jonathan Mace , Yuting Jiang , Yigong Hu , Baris Kasikci , Peng Cheng

Large language models (LLMs) have demonstrated impressive capabilities in generating software code for high-level programming languages such as Python and C++. However, their application to hardware description languages, such as Verilog,…

Programming Languages · Computer Science 2026-03-13 Yan Tan , Xiangchen Meng , Zijun Jiang , Yangdi Lyu

This paper introduces a scalable Anomaly Detection Service with a generalizable API tailored for industrial time-series data, designed to assist Site Reliability Engineers (SREs) in managing cloud infrastructure. The service enables…

Machine Learning · Computer Science 2025-01-29 Nimesh Jha , Shuxin Lin , Srideepika Jayaraman , Kyle Frohling , Christodoulos Constantinides , Dhaval Patel

Large language models (LLMs) have facilitated the generation of high-quality, cost-effective synthetic data for developing downstream models and conducting statistical analyses in various domains. However, the increased reliance on…

Machine Learning · Computer Science 2025-02-04 Yixin Wu , Ziqing Yang , Yun Shen , Michael Backes , Yang Zhang

Despite the recent advancements in Large Language Models (LLMs), which have significantly enhanced the generative capabilities for various NLP tasks, LLMs still face limitations in directly handling retrieval tasks. However, many practical…

Computation and Language · Computer Science 2024-10-03 Jintian Zhang , Cheng Peng , Mengshu Sun , Xiang Chen , Lei Liang , Zhiqiang Zhang , Jun Zhou , Huajun Chen , Ningyu Zhang