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Group based anonymization is the most widely studied approach for privacy preserving data publishing. This includes k-anonymity, l-diversity, and t-closeness, to name a few. The goal of this paper is to raise a fundamental issue on the…

Databases · Computer Science 2009-05-13 Raymond Chi-Wing Wong , Ada Wai-Chee Fu , Ke Wang , Yabo Xu , Philip S. Yu

While personalized recommendations systems have become increasingly popular, ensuring user data protection remains a top concern in the development of these learning systems. A common approach to enhancing privacy involves training models…

Machine Learning · Computer Science 2023-11-03 Adel Javanmard , Vahab Mirrokni

Human mobility data is a crucial resource for urban mobility management, but it does not come without personal reference. The implementation of security measures such as anonymization is thus needed to protect individuals' privacy. Often, a…

Cryptography and Security · Computer Science 2024-07-08 Alexandra Kapp

This work investigates the effectiveness of different pseudonymization techniques, ranging from rule-based substitutions to using pre-trained Large Language Models (LLMs), on a variety of datasets and models used for two widely used NLP…

Computation and Language · Computer Science 2023-06-12 Oleksandr Yermilov , Vipul Raheja , Artem Chernodub

Privacy-preserving machine learning (ML) seeks to balance data utility and privacy, especially as regulations like the GDPR mandate the anonymization of personal data for ML applications. Conventional anonymization approaches often reduce…

Cryptography and Security · Computer Science 2025-07-08 Sri Harsha Gajavalli

Objective: The use of routinely-acquired medical data for research purposes requires the protection of patient confidentiality via data anonymisation. The objective of this work is to calculate the risk of re-identification arising from a…

Machine Learning · Computer Science 2022-04-01 Anna Antoniou , Giacomo Dossena , Julia MacMillan , Steven Hamblin , David Clifton , Paula Petrone

Huge volume of data from domain specific applications such as medical, financial, telephone, shopping records and individuals are regularly generated. Sharing of these data is proved to be beneficial for data mining application. Since data…

Methodology · Statistics 2014-03-21 Hitesh Chhinkaniwala , Sanjay Garg

Data anonymization is an approach to privacy-preserving data release aimed at preventing participants reidentification, and it is an important alternative to differential privacy in applications that cannot tolerate noisy data. Existing…

Data Structures and Algorithms · Computer Science 2022-01-31 Gecia Bravo-Hermsdorff , Robert Busa-Fekete , Lee M. Gunderson , Andrés Munõz Medina , Umar Syed

Hospitals and health care organizations collect large amounts of detailed health care data that is in high demand by researchers. Thus, the possessors of such data are in need of methods that allow for this data to be released without…

Computers and Society · Computer Science 2015-05-27 William Lee Croft , Wei Shi , Jorg-Rudiger Sack , Jean-Pierre Corriveau

Federated learning (FL) is a distributed machine learning paradigm enabling multiple clients to train a model collaboratively without exposing their local data. Among FL schemes, clustering is an effective technique addressing the…

Cryptography and Security · Computer Science 2025-04-01 Yunan Wei , Shengnan Zhao , Chuan Zhao , Zhe Liu , Zhenxiang Chen , Minghao Zhao

The embedded sensors in widely used smartphones and other wearable devices make the data of human activities more accessible. However, recognizing different human activities from the wearable sensor data remains a challenging research…

Machine Learning · Computer Science 2023-07-25 Taoran Sheng , Manfred Huber

Federated learning enables training a global machine learning model from data distributed across multiple sites, without having to move the data. This is particularly relevant in healthcare applications, where data is rife with personal,…

Cryptography and Security · Computer Science 2020-02-24 Olivia Choudhury , Aris Gkoulalas-Divanis , Theodoros Salonidis , Issa Sylla , Yoonyoung Park , Grace Hsu , Amar Das

In an era of increasing privacy concerns for our online presence, we propose that the decision to appear in a piece of content should only belong to the owner of the body. Although some automatic approaches for full-body anonymization have…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Umur Aybars Ciftci , Ali Kemal Tanriverdi , Ilke Demir

Skeleton-based motion visualization is a rising field in computer vision, especially in the case of virtual reality (VR). With further advancements in human-pose estimation and skeleton extracting sensors, more and more applications that…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 Thomas Carr , Depeng Xu , Aidong Lu

Mobile apps and wearable devices accurately and continuously measure human activity; patterns within this data can provide a wealth of information applicable to fields such as transportation and health. Despite the potential utility of this…

Methodology · Statistics 2024-09-16 Martha Barnard , Yingling Fan , Julian Wolfson

Over the last decade, proliferation of various online platforms and their increasing adoption by billions of users have heightened the privacy risk of a user enormously. In fact, security researchers have shown that sparse microdata…

Machine Learning · Computer Science 2017-02-07 Baichuan Zhang , Noman Mohammed , Vachik Dave , Mohammad Al Hasan

Automated clinical text anonymization has the potential to unlock the widespread sharing of textual health data for secondary usage while assuring patient privacy and safety. Despite the proposal of many complex and theoretically successful…

Computation and Language · Computer Science 2024-06-05 David Pissarra , Isabel Curioso , João Alveira , Duarte Pereira , Bruno Ribeiro , Tomás Souper , Vasco Gomes , André V. Carreiro , Vitor Rolla

Data anonymization is gaining much attention these days as it provides the fundamental requirements to safely outsource datasets containing identifying information. While some techniques add noise to protect privacy others use…

Cryptography and Security · Computer Science 2016-11-28 Sara Barakat , Bechara Al Bouna , Mohamed Nassar , Christophe Guyeux

In recent years the amount of digital data in the world has risen immensely. But, the more information exists, the greater is the possibility of its unwanted disclosure. Thus, the data privacy protection has become a pressing problem of the…

Cryptography and Security · Computer Science 2010-11-05 Oleg Chertov , Dan Tavrov

Anonymization is the process of removing or hiding sensitive information in logs. Anonymization allows organizations to share network logs while not exposing sensitive information. However, there is an inherent trade off between the amount…

Cryptography and Security · Computer Science 2008-06-28 Kiran Lakkaraju , Adam Slagell