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This study sheds light on the imperative need to bolster safety and privacy measures in large language models (LLMs), such as GPT-4 and LLaMA-2, by identifying and mitigating their vulnerabilities through explainable analysis of prompt…

Cryptography and Security · Computer Science 2024-07-18 Dong Shu , Mingyu Jin , Tianle Chen , Chong Zhang , Yongfeng Zhang

Recent developments in neural language models (LMs) have raised concerns about their potential misuse for automatically spreading misinformation. In light of these concerns, several studies have proposed to detect machine-generated fake…

Computation and Language · Computer Science 2020-02-21 Tal Schuster , Roei Schuster , Darsh J Shah , Regina Barzilay

Large Language Models (LLMs) are widely applied across various domains due to their powerful text generation capabilities. While LLM-generated texts often resemble human-written ones, their misuse can lead to significant societal risks.…

Computation and Language · Computer Science 2026-03-31 Zhuoshang Wang , Yubing Ren , Guoyu Zhao , Xiaowei Zhu , Hao Li , Yanan Cao

The capabilities of recent large language models (LLMs) to generate high-quality content indistinguishable by humans from human-written texts raises many concerns regarding their misuse. Previous research has shown that LLMs can be…

Computation and Language · Computer Science 2025-07-28 Aneta Zugecova , Dominik Macko , Ivan Srba , Robert Moro , Jakub Kopal , Katarina Marcincinova , Matus Mesarcik

The efficacy of detectors for texts generated by large language models (LLMs) substantially depends on the availability of large-scale training data. However, white-box zero-shot detectors, which require no such data, are limited by the…

Computation and Language · Computer Science 2025-03-04 Junchao Wu , Runzhe Zhan , Derek F. Wong , Shu Yang , Xuebo Liu , Lidia S. Chao , Min Zhang

Large Language Model (LLM)-based judgments leverage powerful LLMs to efficiently evaluate candidate content and provide judgment scores. However, the inherent biases and vulnerabilities of LLM-generated judgments raise concerns,…

Artificial Intelligence · Computer Science 2025-09-30 Dawei Li , Zhen Tan , Chengshuai Zhao , Bohan Jiang , Baixiang Huang , Pingchuan Ma , Abdullah Alnaibari , Kai Shu , Huan Liu

Document forgery poses a growing threat to legal, economic, and governmental processes, requiring increasingly sophisticated verification mechanisms. One approach involves the use of plausibility checks, rule-based procedures that assess…

Artificial Intelligence · Computer Science 2025-12-23 Valentin Schmidberger , Manuel Eberhardinger , Setareh Maghsudi , Johannes Maucher

Online marketplaces, while revolutionizing global commerce, have inadvertently facilitated the proliferation of illicit activities, including drug trafficking, counterfeit sales, and cybercrimes. Traditional content moderation methods such…

Computation and Language · Computer Science 2026-03-06 Quoc Khoa Tran , Thanh Thi Nguyen , Campbell Wilson

Misinformation poses a variety of risks, such as undermining public trust and distorting factual discourse. Large Language Models (LLMs) like GPT-4 have been shown effective in mitigating misinformation, particularly in handling statements…

Computation and Language · Computer Science 2024-01-03 Yury Orlovskiy , Camille Thibault , Anne Imouza , Jean-François Godbout , Reihaneh Rabbany , Kellin Pelrine

Large Language Models (LLMs) changed the way we design and interact with software systems. Their ability to process and extract information from text has drastically improved productivity in a number of routine tasks. Developers that want…

Machine Learning · Computer Science 2025-08-26 Federico Errica , Giuseppe Siracusano , Davide Sanvito , Roberto Bifulco

To prevent misinformation and social issues arising from trustworthy-looking content generated by LLMs, it is crucial to develop efficient and reliable methods for identifying the source of texts. Previous approaches have demonstrated…

Computation and Language · Computer Science 2025-12-03 Fangqi Dai , Xingjian Jiang , Zizhuang Deng

Detecting hateful content is a challenging and important problem. Automated tools, like machine-learning models, can help, but they require continuous training to adapt to the ever-changing landscape of social media. In this work, we…

Computation and Language · Computer Science 2025-11-06 Jay Patel , Hrudayangam Mehta , Jeremy Blackburn

With the development of large language models (LLMs), detecting whether text is generated by a machine becomes increasingly challenging in the face of malicious use cases like the spread of false information, protection of intellectual…

Computation and Language · Computer Science 2024-04-03 Ying Zhou , Ben He , Le Sun

Large Language Models (LLMs) have shown a high capability in answering questions on a diverse range of topics. However, these models sometimes produce biased, ideologized or incorrect responses, limiting their applications if there is no…

Artificial Intelligence · Computer Science 2026-04-08 Xiaotian Zhou , Di Tang , Xiaofeng Wang , Xiaozhong Liu

Financial sentiment analysis is critical for valuation and investment decision-making. Traditional NLP models, however, are limited by their parameter size and the scope of their training datasets, which hampers their generalization…

Computation and Language · Computer Science 2023-11-07 Boyu Zhang , Hongyang Yang , Tianyu Zhou , Ali Babar , Xiao-Yang Liu

Prompt injection attacks exploit vulnerabilities in large language models (LLMs) to manipulate the model into unintended actions or generate malicious content. As LLM integrated applications gain wider adoption, they face growing…

Cryptography and Security · Computer Science 2024-01-03 Daniel Wankit Yip , Aysan Esmradi , Chun Fai Chan

With the emergence of widely available powerful LLMs, disinformation generated by large Language Models (LLMs) has become a major concern. Historically, LLM detectors have been touted as a solution, but their effectiveness in the real world…

Computation and Language · Computer Science 2024-09-30 Henrique Da Silva Gameiro , Andrei Kucharavy , Ljiljana Dolamic

The increasing proliferation of misinformation and its alarming impact have motivated both industry and academia to develop approaches for misinformation detection and fact checking. Recent advances on large language models (LLMs) have…

Computation and Language · Computer Science 2024-07-22 Sahar Tahmasebi , Eric Müller-Budack , Ralph Ewerth

Recent advances in natural language processing (NLP) have led to the development of large language models (LLMs) such as ChatGPT. This paper proposes a methodology for developing and evaluating ChatGPT detectors for French text, with a…

Computation and Language · Computer Science 2023-06-12 Wissam Antoun , Virginie Mouilleron , Benoît Sagot , Djamé Seddah

Large language models for subjectivity analysis are typically trained with aggregated labels, which compress variations in human judgment into a single supervision signal. This paradigm overlooks the intrinsic uncertainty of low-agreement…

Computation and Language · Computer Science 2026-05-14 Junyu Lu , Deyi Ji , Xuanyi Liu , Lanyun Zhu , Bo Xu , Liang Yang , Xian-Sheng Hua , Hongfei Lin