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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…

Computation and Language · Computer Science 2025-05-22 Weichao Zhang , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Yixing Fan , Xueqi Cheng

Large language models (LLMs) have become the backbone of modern natural language processing but pose privacy concerns about leaking sensitive training data. Membership inference attacks (MIAs), which aim to infer whether a sample is…

Machine Learning · Computer Science 2025-06-03 Toan Tran , Ruixuan Liu , Li Xiong

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…

Computation and Language · Computer Science 2024-12-30 Wenjie Fu , Huandong Wang , Chen Gao , Guanghua Liu , Yong Li , Tao Jiang

Model adaptation is crucial to handle the discrepancy between proxy training data and actual users data received. To effectively perform adaptation, textual data of users is typically stored on servers or their local devices, where…

Computation and Language · Computer Science 2023-12-15 Arpita Vats , Zhe Liu , Peng Su , Debjyoti Paul , Yingyi Ma , Yutong Pang , Zeeshan Ahmed , Ozlem Kalinli

High-quality training data has proven crucial for developing performant large language models (LLMs). However, commercial LLM providers disclose few, if any, details about the data used for training. This lack of transparency creates…

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…

Computation and Language · Computer Science 2024-06-04 Zhenhua Liu , Tong Zhu , Chuanyuan Tan , Haonan Lu , Bing Liu , Wenliang Chen

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…

Machine Learning · Computer Science 2026-01-29 Minseo Kwak , Jaehyung Kim

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…

Cryptography and Security · Computer Science 2025-09-22 Sagiv Antebi , Edan Habler , Asaf Shabtai , Yuval Elovici

In recent years, Large Language Models (LLM) have emerged as pivotal tools in various applications. However, these models are susceptible to adversarial prompt attacks, where attackers can carefully curate input strings that mislead LLMs…

Computation and Language · Computer Science 2024-02-20 Zhengmian Hu , Gang Wu , Saayan Mitra , Ruiyi Zhang , Tong Sun , Heng Huang , Viswanathan Swaminathan

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…

Computation and Language · Computer Science 2024-03-12 Weijia Shi , Anirudh Ajith , Mengzhou Xia , Yangsibo Huang , Daogao Liu , Terra Blevins , Danqi Chen , Luke Zettlemoyer

The pre-training of large language models (LLMs) relies on massive text datasets sourced from diverse and difficult-to-curate origins. Although membership inference attacks and hidden canaries have been explored to trace data usage, such…

Cryptography and Security · Computer Science 2025-06-19 Wassim Bouaziz , Mathurin Videau , Nicolas Usunier , El-Mahdi El-Mhamdi

The problem of pre-training data detection for large language models (LLMs) has received growing attention due to its implications in critical issues like copyright violation and test data contamination. Despite improved performance,…

Computation and Language · Computer Science 2025-02-13 Jingyang Zhang , Jingwei Sun , Eric Yeats , Yang Ouyang , Martin Kuo , Jianyi Zhang , Hao Frank Yang , Hai Li

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…

Computation and Language · Computer Science 2024-09-27 Hao Liang , Keshi Zhao , Yajie Yang , Bin Cui , Guosheng Dong , Zenan Zhou , Wentao Zhang

Large Language Models (LLMs) have shown greatly enhanced performance in recent years, attributed to increased size and extensive training data. This advancement has led to widespread interest and adoption across industries and the public.…

Computation and Language · Computer Science 2024-06-19 Victoria Smith , Ali Shahin Shamsabadi , Carolyn Ashurst , Adrian Weller

Pre-training data detection for LLMs is essential for addressing copyright concerns and mitigating benchmark contamination. Existing methods mainly focus on the likelihood-based statistical features or heuristic signals before and after…

Computation and Language · Computer Science 2026-03-06 Ruiqi Zhang , Lingxiang Wang , Hainan Zhang , Zhiming Zheng , Yanyan Lan

Large language models (LLMs) have achieved impressive results in natural language processing but are prone to memorizing portions of their training data, which can compromise evaluation metrics, raise privacy concerns, and limit…

Machine Learning · Computer Science 2024-12-03 Eduardo Slonski

Pre-trained Large Language Models (LLMs) have shown success in a diverse set of language inference and understanding tasks. The pre-training stage of LLMs looks at a large corpus of raw textual data. The BabyLM shared task compares LLM…

Computation and Language · Computer Science 2024-01-11 Khushi Bhardwaj , Raj Sanjay Shah , Sashank Varma

Despite the impressive capabilities of Multimodal Large Language Models (MLLMs) in integrating text and image modalities, challenges remain in accurately interpreting detailed visual elements. Vision detection models excel at recognizing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Qirui Jiao , Daoyuan Chen , Yilun Huang , Yaliang Li , Ying Shen

While Large Language Models (LLMs) have exhibited remarkable emergent capabilities through extensive pre-training, they still face critical limitations in generalizing to specialized domains and handling diverse linguistic variations, known…

Computation and Language · Computer Science 2025-05-28 Jinwu Hu , Zhitian Zhang , Guohao Chen , Xutao Wen , Chao Shuai , Wei Luo , Bin Xiao , Yuanqing Li , Mingkui Tan

This paper introduces a novel approach for identifying the possible large language models (LLMs) involved in text generation. Instead of adding an additional classification layer to a base LM, we reframe the classification task as a…

Computation and Language · Computer Science 2024-02-08 Yutian Chen , Hao Kang , Vivian Zhai , Liangze Li , Rita Singh , Bhiksha Raj
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