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Large Language Models (LLMs) are increasingly being deployed in high-risk domains where opacity, bias, and instability undermine trust and accountability. Traditional explainability methods, focused on surface outputs, do not capture the…

Computation and Language · Computer Science 2025-09-08 David Herrera-Poyatos , Carlos Peláez-González , Cristina Zuheros , Virilo Tejedor , Rosana Montes , Francisco Herrera

Artificial Intelligence (AI) has continued to achieve tremendous success in recent times. However, the decision logic of these frameworks is often not transparent, making it difficult for stakeholders to understand, interpret or explain…

Machine Learning · Computer Science 2025-01-20 Fuseini Mumuni , Alhassan Mumuni

Large Language Models (LLMs) have recently demonstrated impressive capabilities in natural language processing due to their strong generalization and sequence modeling capabilities. However, their direct application to time series…

Computation and Language · Computer Science 2025-08-12 Yanru Sun , Emadeldeen Eldele , Zongxia Xie , Yucheng Wang , Wenzhe Niu , Qinghua Hu , Chee Keong Kwoh , Min Wu

Industrial Internet of Things environments increasingly rely on advanced Anomaly Detection and explanation techniques to rapidly detect and mitigate cyberincidents, thereby ensuring operational safety. The sequential nature of data…

Machine Learning · Computer Science 2025-06-03 Manuel Franco de la Peña , Ángel Luis Perales Gómez , Lorenzo Fernández Maimó

Modern enterprises generate vast streams of time series metrics when monitoring complex systems, known as observability data. Unlike conventional time series from domains such as climate, observability data are zero-inflated, highly…

Most of state of the art methods applied on time series consist of deep learning methods that are too complex to be interpreted. This lack of interpretability is a major drawback, as several applications in the real world are critical…

Machine Learning · Computer Science 2021-04-05 Thomas Rojat , Raphaël Puget , David Filliat , Javier Del Ser , Rodolphe Gelin , Natalia Díaz-Rodríguez

Deep learning-based sequence models are extensively employed in Time Series Anomaly Detection (TSAD) tasks due to their effective sequential modeling capabilities. However, the ability of TSAD is limited by two key challenges: (i) the…

Machine Learning · Computer Science 2024-08-21 Junqi Chen , Xu Tan , Sylwan Rahardja , Jiawei Yang , Susanto Rahardja

Recent advancements in Artificial Intelligence, particularly in Large Language Models (LLMs), have transformed natural language processing by improving generative capabilities. However, detecting biases embedded within these models remains…

Computation and Language · Computer Science 2025-03-11 Suvendu Mohanty

The proliferation of edge devices has generated an unprecedented volume of time series data across different domains, motivating various well-customized methods. Recently, Large Language Models (LLMs) have emerged as a new paradigm for time…

Machine Learning · Computer Science 2025-05-06 Chenxi Liu , Shaowen Zhou , Qianxiong Xu , Hao Miao , Cheng Long , Ziyue Li , Rui Zhao

Time series data is ubiquitous in the real-world problems across various domains including healthcare, social media, and crime surveillance. Detecting anomalies, or irregular and rare events, in time series data, can enable us to find…

Machine Learning · Computer Science 2021-10-05 Abilasha S , Sahely Bhadra , Deepak P , Anish Mathew

Anomaly detection in computational workflows is critical for ensuring system reliability and security. However, traditional rule-based methods struggle to detect novel anomalies. This paper leverages large language models (LLMs) for…

Software Engineering · Computer Science 2024-07-26 Hongwei Jin , George Papadimitriou , Krishnan Raghavan , Pawel Zuk , Prasanna Balaprakash , Cong Wang , Anirban Mandal , Ewa Deelman

Real-world time series data often present recurrent or repetitive patterns and it is often generated in real time, such as transportation passenger volume, network traffic, system resource consumption, energy usage, and human gait.…

Machine Learning · Computer Science 2021-05-05 Ming-Chang Lee , Jia-Chun Lin , Ernst Gunnar Gran

Diagnosing student problem behaviors requires teachers to synthesize multifaceted information, identify behavioral categories, and plan intervention strategies. Although fine-tuned large language models (LLMs) can support this process…

Computation and Language · Computer Science 2026-04-27 Zhilin Fan , Deliang Wang , Penghe Chen , Yu Lu

Video Anomaly Detection (VAD) is crucial for applications such as security surveillance and autonomous driving. However, existing VAD methods provide little rationale behind detection, hindering public trust in real-world deployments. In…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yuchen Yang , Kwonjoon Lee , Behzad Dariush , Yinzhi Cao , Shao-Yuan Lo

Current research in time-series anomaly detection is using definitions that miss critical aspects of how anomaly detection is commonly used in practice. We list several areas that are of practical relevance and that we believe are either…

Machine Learning · Computer Science 2025-02-11 Andreas Mueller

Anomaly detection is widely used in network intrusion detection, autonomous driving, medical diagnosis, credit card frauds, etc. However, several key challenges remain open, such as lack of ground truth labels, presence of complex temporal…

Machine Learning · Computer Science 2023-03-24 Shyam Sundar Saravanan , Tie Luo , Mao Van Ngo

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…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Weijia Li , Guanglei Chu , Jiong Chen , Guo-Sen Xie , Caifeng Shan , Fang Zhao

Hallucination remains a critical barrier for deploying large language models (LLMs) in reliability-sensitive applications. Existing detection methods largely fall into two categories: factuality checking, which is fundamentally constrained…

Computation and Language · Computer Science 2025-09-17 Jinxin Li , Gang Tu , ShengYu Cheng , Junjie Hu , Jinting Wang , Rui Chen , Zhilong Zhou , Dongbo Shan

Clinical decision-making requires reasoning over incomplete, imprecise, and linguistically expressed patient narratives. While large language models (LLMs) excel at extracting latent information from natural language, they lack the…

Artificial Intelligence · Computer Science 2026-05-26 Xiaoyang Fan , Yufan Cai , Zhe Hou , Jin Song Dong

Anomalies in time-series provide insights of critical scenarios across a range of industries, from banking and aerospace to information technology, security, and medicine. However, identifying anomalies in time-series data is particularly…

Machine Learning · Computer Science 2022-08-31 Wadie Skaf , Tomáš Horváth