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Large language models (LLMs) present significant risks when used to generate non-factual content and spread disinformation at scale. Detecting such LLM-generated content is crucial, yet current detectors often struggle to generalize in…

计算与语言 · 计算机科学 2025-02-18 Ran Li , Wei Hao , Weiliang Zhao , Junfeng Yang , Chengzhi Mao

Vertical text input is commonly encountered in various real-world applications, such as mathematical computations and word-based Sudoku puzzles. While current large language models (LLMs) have excelled in natural language tasks, they remain…

计算与语言 · 计算机科学 2025-09-29 Zhecheng Li , Yiwei Wang , Bryan Hooi , Yujun Cai , Zhen Xiong , Nanyun Peng , Kai-wei Chang

Modern Large Language Models (LLMs) are often criticized for producing repetitive and homogeneous text, despite possessing vast latent vocabularies. While previous research has focused on model knowledge and training data, we investigate…

计算与语言 · 计算机科学 2026-05-27 Samer Awad , Javier Conde , Carlos Arriaga , Tairan Fu , Javier Coronado-Blázquez , Pedro Reviriego

Large Language Models (LLMs) have demonstrated remarkable proficiency in generating code. However, the misuse of LLM-generated (synthetic) code has raised concerns in both educational and industrial contexts, underscoring the urgent need…

软件工程 · 计算机科学 2024-12-17 Tong Ye , Yangkai Du , Tengfei Ma , Lingfei Wu , Xuhong Zhang , Shouling Ji , Wenhai Wang

Despite considerable progress in the development of machine-text detectors, it has been suggested that the problem is inherently hard, and therefore, that stakeholders should proceed under the assumption that machine-generated text cannot…

计算与语言 · 计算机科学 2025-09-30 Rafael Rivera Soto , Barry Chen , Nicholas Andrews

With the recent proliferation of Large Language Models (LLMs), there has been an increasing demand for tools to detect machine-generated text. The effective detection of machine-generated text face two pertinent problems: First, they are…

计算与语言 · 计算机科学 2024-04-04 Mazal Bethany , Brandon Wherry , Emet Bethany , Nishant Vishwamitra , Anthony Rios , Peyman Najafirad

Decoding methods play an indispensable role in converting language models from next-token predictors into practical task solvers. Prior research on decoding methods, primarily focusing on task-specific models, may not extend to the current…

计算与语言 · 计算机科学 2024-10-10 Chufan Shi , Haoran Yang , Deng Cai , Zhisong Zhang , Yifan Wang , Yujiu Yang , Wai Lam

Detecting Large Language Model (LLM)-generated code is a growing challenge with implications for security, intellectual property, and academic integrity. We investigate the role of conditional probability distributions in improving…

计算与语言 · 计算机科学 2025-06-09 Maor Ashkenazi , Ofir Brenner , Tal Furman Shohet , Eran Treister

Large language models (LLMs) have become central to modern AI workflows, powering applications from open-ended text generation to complex agent-based reasoning. However, debugging these models remains a persistent challenge due to their…

Decoding methods for large language models often trade-off between diversity of outputs and parallelism of computation. Methods such as beam search and Gumbel top-k sampling can guarantee a different output for each element of the beam, but…

计算与语言 · 计算机科学 2023-06-02 Luke Vilnis , Yury Zemlyanskiy , Patrick Murray , Alexandre Passos , Sumit Sanghai

A key component of generating text from modern language models (LM) is the selection and tuning of decoding algorithms. These algorithms determine how to generate text from the internal probability distribution generated by the LM. The…

机器学习 · 计算机科学 2023-12-05 Ali Naseh , Kalpesh Krishna , Mohit Iyyer , Amir Houmansadr

Decoding strategies manipulate the probability distribution underlying the output of a language model and can therefore affect both generation quality and its uncertainty. In this study, we investigate the impact of decoding strategies on…

计算与语言 · 计算机科学 2025-09-23 Wataru Hashimoto , Hidetaka Kamigaito , Taro Watanabe

With the rapid progress of large language models (LLMs) and the huge amount of text they generated, it becomes more and more impractical to manually distinguish whether a text is machine-generated. Given the growing use of LLMs in social…

计算与语言 · 计算机科学 2023-06-12 Jinyan Su , Terry Yue Zhuo , Di Wang , Preslav Nakov

The dissemination of Large Language Models (LLMs), trained at scale, and endowed with powerful text-generating abilities, has made it easier for all to produce harmful, toxic, faked or forged content. In response, various proposals have…

计算与语言 · 计算机科学 2025-06-12 Matthieu Dubois , François Yvon , Pablo Piantanida

Prior studies have shown that distinguishing text generated by Large Language Models (LLMs) from human-written one is highly challenging for humans, and often no better than random guessing. To verify the generalizability of this finding…

The growing use of large language models (LLMs) for text generation has led to widespread concerns about AI-generated content detection. However, an overlooked challenge is AI-polished text, where human-written content undergoes subtle…

计算与语言 · 计算机科学 2025-05-06 Shoumik Saha , Soheil Feizi

The effective detection and governance of Large Language Model (LLM) generated content has become increasingly critical due to the growing risk of misuse. Despite the impressive performance of existing detectors, their reliability and…

计算与语言 · 计算机科学 2026-05-20 Junchao Wu , Yefeng Liu , Chenyu Zhu , Hao Zhang , Zeyu Wu , Tianqi Shi , Yichao Du , Longyue Wang , Weihua Luo , Jinsong Su , Derek F. Wong

Large Language Models (LLMs) have revolutionized the field of Natural Language Generation (NLG) by demonstrating an impressive ability to generate human-like text. However, their widespread usage introduces challenges that necessitate…

计算与语言 · 计算机科学 2024-06-28 Sara Abdali , Richard Anarfi , CJ Barberan , Jia He

Large language models (LLMs) have reached human-like proficiency in generating diverse textual content, underscoring the necessity for effective fake text detection to avoid potential risks such as fake news in social media. Previous…

机器学习 · 计算机科学 2024-03-21 Zhixin Lai , Xuesheng Zhang , Suiyao Chen

The rapid proliferation of large language models (LLMs) has created an urgent need for robust and generalizable detectors of machine-generated text. Existing benchmarks typically evaluate a single detector on a single dataset under ideal…

计算与语言 · 计算机科学 2026-03-19 Madhav S. Baidya , S. S. Baidya , Chirag Chawla