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Related papers: Anomaly Detection of Tabular Data Using LLMs

200 papers

Collecting labeled datasets in finance is challenging due to scarcity of domain experts and higher cost of employing them. While Large Language Models (LLMs) have demonstrated remarkable performance in data annotation tasks on general…

Computation and Language · Computer Science 2024-03-28 Toyin Aguda , Suchetha Siddagangappa , Elena Kochkina , Simerjot Kaur , Dongsheng Wang , Charese Smiley , Sameena Shah

Large Language Models (LLMs) have shown remarkable success on a wide range of math and reasoning benchmarks. However, we observe that they often struggle when faced with unreasonable math problems. Instead of recognizing these issues,…

Computation and Language · Computer Science 2025-06-03 Jingyuan Ma , Damai Dai , Zihang Yuan , Rui li , Weilin Luo , Bin Wang , Qun Liu , Lei Sha , Zhifang Sui

We study anomaly detection and introduce an algorithm that processes variable length, irregularly sampled sequences or sequences with missing values. Our algorithm is fully unsupervised, however, can be readily extended to supervised or…

Machine Learning · Statistics 2020-05-26 Oguzhan Karaahmetoglu , Fatih Ilhan , Ismail Balaban , Suleyman Serdar Kozat

We propose the LLMs4OL approach, which utilizes Large Language Models (LLMs) for Ontology Learning (OL). LLMs have shown significant advancements in natural language processing, demonstrating their ability to capture complex language…

Artificial Intelligence · Computer Science 2023-08-03 Hamed Babaei Giglou , Jennifer D'Souza , Sören Auer

The growing complexity and diversity of news coverage have made framing analysis a crucial yet challenging task in computational social science. Traditional approaches, including manual annotation and fine-tuned models, remain limited by…

Computation and Language · Computer Science 2026-05-22 Valeria Pastorino , Jasivan A. Sivakumar , Nafise Sadat Moosavi

The sensor-based recognition of Activities of Daily Living (ADLs) in smart home environments enables several applications in the areas of energy management, safety, well-being, and healthcare. ADLs recognition is typically based on deep…

Artificial Intelligence · Computer Science 2025-03-24 Gabriele Civitarese , Michele Fiori , Priyankar Choudhary , Claudio Bettini

This project explores large language models (LLMs) for anomaly detection across heterogeneous log sources. Traditional intrusion detection systems suffer from high false positive rates, semantic blindness, and data scarcity, as logs are…

Cryptography and Security · Computer Science 2026-02-09 Yassine Chagna , Antal Goldschmidt

Detecting deception in an increasingly digital world is both a critical and challenging task. In this study, we present a comprehensive evaluation of the automated deception detection capabilities of Large Language Models (LLMs) and Large…

Computation and Language · Computer Science 2025-06-12 Md Messal Monem Miah , Adrita Anika , Xi Shi , Ruihong Huang

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,…

Artificial Intelligence · Computer Science 2021-02-24 Harold Ott , Jasmin Bogatinovski , Alexander Acker , Sasho Nedelkoski , Odej Kao

While many have shown how Large Language Models (LLMs) can be applied to a diverse set of tasks, the critical issues of data contamination and memorization are often glossed over. In this work, we address this concern for tabular data.…

Machine Learning · Computer Science 2024-12-05 Sebastian Bordt , Harsha Nori , Vanessa Rodrigues , Besmira Nushi , Rich Caruana

Large Language Models (LLMs) have gained prominence in various applications, including security. This paper explores the utility of LLMs in scam detection, a critical aspect of cybersecurity. Unlike traditional applications, we propose a…

Cryptography and Security · Computer Science 2024-02-06 Liming Jiang

As LLMs grow in capability, the task of supervising LLMs becomes more challenging. Supervision failures can occur if LLMs are sensitive to factors that supervisors are unaware of. We investigate Mechanistic Anomaly Detection (MAD) as a…

Machine Learning · Computer Science 2025-04-15 David O. Johnston , Arkajyoti Chakraborty , Nora Belrose

Autonomous aerial monitoring is an important task aimed at gathering information from areas that may not be easily accessible by humans. At the same time, this task often requires recognizing anomalies from a significant distance or not…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Tzoulio Chamiti , Nikolaos Passalis , Anastasios Tefas

Large language models (LLMs) have demonstrated remarkable success in NLP tasks. However, there is a paucity of studies that attempt to evaluate their performances on social media-based health-related natural language processing tasks, which…

Computation and Language · Computer Science 2024-03-29 Yuting Guo , Anthony Ovadje , Mohammed Ali Al-Garadi , Abeed Sarker

Object-centric event logs, allowing events related to different objects of different object types, represent naturally the execution of business processes, such as ERP (O2C and P2P) and CRM. However, modeling such complex information…

Databases · Computer Science 2024-07-15 Alessandro Berti , Urszula Jessen , Wil M. P. van der Aalst , Dirk Fahland

Large Language Models (LLMs) have revolutionised natural language processing tasks, particularly as chat agents. However, their applicability to threat detection problems remains unclear. This paper examines the feasibility of employing…

Cryptography and Security · Computer Science 2025-04-21 Paul R. B. Houssel , Priyanka Singh , Siamak Layeghy , Marius Portmann

Recently, large language models (LLMs) (e.g., GPT-4) have demonstrated impressive general-purpose task-solving abilities, including the potential to approach recommendation tasks. Along this line of research, this work aims to investigate…

Information Retrieval · Computer Science 2024-01-25 Yupeng Hou , Junjie Zhang , Zihan Lin , Hongyu Lu , Ruobing Xie , Julian McAuley , Wayne Xin Zhao

Anomaly detection is a longstanding and active research area that has many applications in domains such as finance, security, and manufacturing. However, the efficiency and performance of anomaly detection algorithms are challenged by the…

Machine Learning · Computer Science 2025-04-16 Yang Cao , Haolong Xiang , Hang Zhang , Ye Zhu , Kai Ming Ting

This paper investigates various approaches using Large Language Models (LLMs) to identify gaps and misconceptions in students' self-explanations of specific instructional material, in our case explanations of code examples. This research is…

Computers and Society · Computer Science 2025-01-22 Priti Oli , Rabin Banjade , Andrew M. Olney , Vasile Rus

Large Language Models (LLMs) have shown useful applications in a variety of tasks, including data wrangling. In this paper, we investigate the use of an off-the-shelf LLM for schema matching. Our objective is to identify semantic…

Databases · Computer Science 2024-07-17 Marcel Parciak , Brecht Vandevoort , Frank Neven , Liesbet M. Peeters , Stijn Vansummeren