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Text sanitization aims to rewrite parts of a document to prevent disclosure of personal information. The central challenge of text sanitization is to strike a balance between privacy protection (avoiding the leakage of personal information)…

计算与语言 · 计算机科学 2025-09-03 Ildikó Pilán , Benet Manzanares-Salor , David Sánchez , Pierre Lison

This paper aims at answering the following two questions in privacy-preserving data analysis and publishing: What formal privacy guarantee (if any) does $k$-anonymization provide? How to benefit from the adversary's uncertainty about the…

密码学与安全 · 计算机科学 2015-03-17 Ninghui Li , Wahbeh Qardaji , Dong Su

Differential privacy has gained popularity in machine learning as a strong privacy guarantee, in contrast to privacy mitigation techniques such as k-anonymity. However, applying differential privacy to n-gram counts significantly degrades…

密码学与安全 · 计算机科学 2021-02-01 Osman Ramadan , James Withers , Douglas Orr

The leakage of data might have been an extreme effect on the personal level if it contains sensitive information. Common prevention methods like encryption-decryption, endpoint protection, intrusion detection system are prone to leakage.…

密码学与安全 · 计算机科学 2020-06-12 Poushali Sengupta , Sudipta Paul , Subhankar Mishra

Privacy is a fundamental human right. Data privacy is protected by different regulations, such as GDPR. However, modern large language models require a huge amount of data to learn linguistic variations, and the data often contains private…

计算与语言 · 计算机科学 2025-08-06 Abhirup Sinha , Pritilata Saha , Tithi Saha

Large Language Models (LLMs) have demonstrated advanced capabilities in both text generation and comprehension, and their application to data archives might facilitate the privatization of sensitive information about the data subjects. In…

密码学与安全 · 计算机科学 2025-04-08 Stefano Cirillo , Domenico Desiato , Giuseppe Polese , Monica Maria Lucia Sebillo , Giandomenico Solimando

With Internet users constantly leaving a trail of text, whether through blogs, emails, or social media posts, the ability to write and protest anonymously is being eroded because artificial intelligence, when given a sample of previous…

机器学习 · 计算机科学 2021-10-19 Rishi Balakrishnan , Stephen Sloan , Anil Aswani

Privacy concerns have attracted increasing attention in data-driven products due to the tendency of machine learning models to memorize sensitive training data. Generating synthetic versions of such data with a formal privacy guarantee,…

计算与语言 · 计算机科学 2023-07-19 Xiang Yue , Huseyin A. Inan , Xuechen Li , Girish Kumar , Julia McAnallen , Hoda Shajari , Huan Sun , David Levitan , Robert Sim

Existing privacy-preserving speech representation learning methods target a single application domain. In this paper, we present a novel framework to anonymize utterance-level speech embeddings generated by pre-trained encoders and show its…

音频与语音处理 · 电气工程与系统科学 2023-10-27 Minh Tran , Mohammad Soleymani

Large Language Models (LLMs) have achieved remarkable progress in natural language understanding, reasoning, and autonomous decision-making. However, these advancements have also come with significant privacy concerns. While significant…

密码学与安全 · 计算机科学 2026-01-27 Yuntao Du , Zitao Li , Ninghui Li , Bolin Ding

Recent developments in language modeling have increased their use in various applications and domains. Language models, often trained on sensitive data, can memorize and disclose this information during privacy attacks, raising concerns…

计算与语言 · 计算机科学 2025-08-22 Pritilata Saha , Abhirup Sinha

Data-driven systems are gathering increasing amounts of data from users, and sensitive user data requires privacy protections. In some cases, the data gathered is non-numerical or symbolic, and conventional approaches to privacy, e.g.,…

密码学与安全 · 计算机科学 2022-08-12 Bo Chen , Kevin Leahy , Austin Jones , Matthew Hale

Differential privacy is a popular privacy model within the research community because of the strong privacy guarantee it offers, namely that the presence or absence of any individual in a data set does not significantly influence the…

密码学与安全 · 计算机科学 2017-02-09 Jordi Soria-Comas , Josep Domingo-Ferrer , David Sánchez , David Megías

Differential privacy provides a formal approach to privacy of individuals. Applications of differential privacy in various scenarios, such as protecting users' original utterances, must satisfy certain mathematical properties. Our…

计算与语言 · 计算机科学 2022-03-07 Ivan Habernal

In this work, we address the problem of text anonymization where the goal is to prevent adversaries from correctly inferring private attributes of the author, while keeping the text utility, i.e., meaning and semantics. We propose…

密码学与安全 · 计算机科学 2025-02-04 Ahmed Frikha , Nassim Walha , Krishna Kanth Nakka , Ricardo Mendes , Xue Jiang , Xuebing Zhou

Recent large-scale natural language processing (NLP) systems use a pre-trained Large Language Model (LLM) on massive and diverse corpora as a headstart. In practice, the pre-trained model is adapted to a wide array of tasks via fine-tuning…

计算与语言 · 计算机科学 2022-09-12 Jimit Majmudar , Christophe Dupuy , Charith Peris , Sami Smaili , Rahul Gupta , Richard Zemel

The task of $\textit{Differentially Private Text Rewriting}$ is a class of text privatization techniques in which (sensitive) input textual documents are $\textit{rewritten}$ under Differential Privacy (DP) guarantees. The motivation behind…

密码学与安全 · 计算机科学 2025-03-31 Stephen Meisenbacher , Chaeeun Joy Lee , Florian Matthes

The randomized power method has gained significant interest due to its simplicity and efficient handling of large-scale spectral analysis and recommendation tasks. However, its application to large datasets containing personal information…

机器学习 · 计算机科学 2025-06-13 Julien Nicolas , César Sabater , Mohamed Maouche , Sonia Ben Mokhtar , Mark Coates

Large scale adoption of large language models has introduced a new era of convenient knowledge transfer for a slew of natural language processing tasks. However, these models also run the risk of undermining user trust by exposing unwanted…

计算与语言 · 计算机科学 2022-04-21 Richard Plant , Valerio Giuffrida , Dimitra Gkatzia

The deployment of Machine-Generated Text (MGT) detection systems necessitates processing sensitive user data, creating a fundamental conflict between authorship verification and privacy preservation. Standard anonymization techniques often…

密码学与安全 · 计算机科学 2026-01-09 Lionel Z. Wang , Yusheng Zhao , Jiabin Luo , Xinfeng Li , Lixu Wang , Yinan Peng , Haoyang Li , XiaoFeng Wang , Wei Dong