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Although large language models (LLMs) are widely deployed, the data used to train them is rarely disclosed. Given the incredible scale of this data, up to trillions of tokens, it is all but certain that it includes potentially problematic…

计算与语言 · 计算机科学 2024-03-12 Weijia Shi , Anirudh Ajith , Mengzhou Xia , Yangsibo Huang , Daogao Liu , Terra Blevins , Danqi Chen , Luke Zettlemoyer

As the scale of training corpora for large language models (LLMs) grows, model developers become increasingly reluctant to disclose details on their data. This lack of transparency poses challenges to scientific evaluation and ethical…

计算与语言 · 计算机科学 2025-05-22 Weichao Zhang , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Yixing Fan , Xueqi Cheng

The opacity of massive pretraining corpora in Large Language Models (LLMs) raises significant privacy and copyright concerns, making pretraining data detection a critical challenge. Existing state-of-the-art methods typically rely on token…

机器学习 · 计算机科学 2026-01-29 Minseo Kwak , Jaehyung Kim

Large language models (LLMs) have demonstrated exceptional performance across a wide range of tasks and domains, with data preparation playing a critical role in achieving these results. Pre-training data typically combines information from…

计算与语言 · 计算机科学 2024-09-27 Hao Liang , Keshi Zhao , Yajie Yang , Bin Cui , Guosheng Dong , Zenan Zhou , Wentao Zhang

Large Language Models (LLMs) have shown their impressive capabilities, while also raising concerns about the data contamination problems due to privacy issues and leakage of benchmark datasets in the pre-training phase. Therefore, it is…

计算与语言 · 计算机科学 2024-06-04 Zhenhua Liu , Tong Zhu , Chuanyuan Tan , Haonan Lu , Bing Liu , Wenliang Chen

The increasing parameters and expansive dataset of large language models (LLMs) highlight the urgent demand for a technical solution to audit the underlying privacy risks and copyright issues associated with LLMs. Existing studies have…

计算与语言 · 计算机科学 2024-12-30 Wenjie Fu , Huandong Wang , Chen Gao , Guanghua Liu , Yong Li , Tao Jiang

While large language models (LLMs) are extensively used, there are raising concerns regarding privacy, security, and copyright due to their opaque training data, which brings the problem of detecting pre-training data on the table. Current…

计算与语言 · 计算机科学 2024-08-01 Anqi Zhang , Chaofeng Wu

Data contamination poses a significant threat to the reliable evaluation of Large Language Models (LLMs). This issue arises when benchmark samples may inadvertently appear in training sets, compromising the validity of reported performance.…

计算与语言 · 计算机科学 2026-03-19 Yongding Tao , Tian Wang , Yihong Dong , Huanyu Liu , Kechi Zhang , Xiaolong Hu , Ge Li

The prevalence of Large Language Models (LLMs) for generating multilingual text and source code has only increased the imperative for machine-generated content detectors to be accurate and efficient across domains. Current detectors,…

计算与语言 · 计算机科学 2025-10-23 Shriyansh Agrawal , Aidan Lau , Sanyam Shah , Ahan M R , Kevin Zhu , Sunishchal Dev , Vasu Sharma

Multimodal large language models are typically trained in two stages: first pre-training on image-text pairs, and then fine-tuning using supervised vision-language instruction data. Recent studies have shown that large language models can…

机器学习 · 计算机科学 2026-04-14 Lai Wei , Xiaozhe Li , Zihao Jiang , Weiran Huang , Lichao Sun

Large language models (LLMs) have become essential tools for digital task assistance. Their training relies heavily on the collection of vast amounts of data, which may include copyright-protected or sensitive information. Recent studies on…

密码学与安全 · 计算机科学 2025-09-22 Sagiv Antebi , Edan Habler , Asaf Shabtai , Yuval Elovici

Data selection for finetuning Large Language Models (LLMs) can be framed as a budget-constrained optimization problem: maximizing a model's downstream performance under a strict training data budget. Solving this problem is generally…

机器学习 · 计算机科学 2025-10-01 Animesh Jha , Harshit Gupta , Ananjan Nandi

Small language models (SLMs) are increasingly valued for their efficiency and deployability in resource-constrained environments, making them useful for on-device, privacy-sensitive, and edge computing applications. On the other hand,…

人工智能 · 计算机科学 2025-08-05 Roya Arkhmammadova , Hosein Madadi Tamar , M. Emre Gursoy

Recent advancements in large language models (LLMs) have significantly improved code generation and program comprehension, accelerating the evolution of software engineering. Current methods primarily enhance model performance by leveraging…

计算与语言 · 计算机科学 2025-07-04 Weijie Lyu , Sheng-Jun Huang , Xuan Xia

Previous learning-based vulnerability detection methods relied on either medium-sized pre-trained models or smaller neural networks from scratch. Recent advancements in Large Pre-Trained Language Models (LLMs) have showcased remarkable…

软件工程 · 计算机科学 2024-01-30 Xin Zhou , Ting Zhang , David Lo

The training of large language models (LLMs) is expensive. In this paper, we study data-efficient approaches for pre-training LLMs, i.e., techniques that aim to optimize the Pareto frontier of model quality and training resource/data…

Large Language Models (LLMs) and pre-trained Language Models (LMs) have achieved impressive success on many software engineering tasks (e.g., code completion and code generation). By leveraging huge existing code corpora (e.g., GitHub),…

软件工程 · 计算机科学 2025-01-16 Xin Yin , Chao Ni , Xiaodan Xu , Xinrui Li , Xiaohu Yang

Large Language Models (LLMs) utilize large amounts of data for their training, some of which may come from copyrighted sources. Membership Inference Attacks (MIA) aim to detect those documents and whether they have been included in the…

人工智能 · 计算机科学 2026-04-22 Juliusz Janicki , Savvas Chamezopoulos , Evangelos Kanoulas , Georgios Tsatsaronis

In the era of large language models (LLMs), detecting pretraining data has been increasingly important due to concerns about fair evaluation and ethical risks. Current methods differentiate members and non-members by designing scoring…

计算与语言 · 计算机科学 2025-03-18 Hengxiang Zhang , Songxin Zhang , Bingyi Jing , Hongxin Wei

Large Language Models (LLMs) are rapidly gaining enormous popularity in recent years. However, the training of LLMs has raised significant privacy and legal concerns, particularly regarding the distillation and inclusion of copyrighted…

机器学习 · 统计学 2025-10-07 Yinpeng Cai , Lexin Li , Linjun Zhang
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