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The protection of private information is a crucial issue in data-driven research and business contexts. Typically, techniques like anonymisation or (selective) deletion are introduced in order to allow data sharing, e. g. in the case of…

Functional data clustering is to identify heterogeneous morphological patterns in the continuous functions underlying the discrete measurements/observations. Application of functional data clustering has appeared in many publications across…

Methodology · Statistics 2022-10-04 Mimi Zhang , Andrew Parnell

Microaggregation is a technique for disclosure limitation aimed at protecting the privacy of data subjects in microdata releases. It has been used as an alternative to generalization and suppression to generate $k$-anonymous data sets,…

Cryptography and Security · Computer Science 2016-08-06 Jordi Soria-Comas , Josep Domingo-Ferrer , David Sánchez , Sergio Martínez

Accessing sensitive patient data for machine learning is challenging due to privacy concerns. Datasets with annotations of personally identifiable information are crucial for developing and testing anonymization systems to enable safe data…

Computation and Language · Computer Science 2026-03-17 Ibrahim Baroud , Christoph Otto , Vera Czehmann , Christine Hovhannisyan , Lisa Raithel , Sebastian Möller , Roland Roller

Estimating causal effects from randomized experiments is only possible if participants are willing to disclose their potentially sensitive responses. Differential privacy, a widely used framework for ensuring an algorithms privacy…

Machine Learning · Statistics 2025-05-29 Adel Javanmard , Vahab Mirrokni , Jean Pouget-Abadie

Virtual reality (VR) and "metaverse" systems have recently seen a resurgence in interest and investment as major technology companies continue to enter the space. However, recent studies have demonstrated that the motion tracking…

Human-Computer Interaction · Computer Science 2023-11-10 Vivek Nair , Wenbo Guo , James F. O'Brien , Louis Rosenberg , Dawn Song

Over the years, the literature on individual data anonymization has burgeoned in many directions. Borrowing from several areas of other sciences, the current diversity of concepts, models and tools available contributes to understanding and…

Cryptography and Security · Computer Science 2017-12-08 Nicolas Ruiz

Correlation clustering is a central problem in unsupervised learning, with applications spanning community detection, duplicate detection, automated labelling and many more. In the correlation clustering problem one receives as input a set…

Video action segmentation under timestamp supervision has recently received much attention due to lower annotation costs. Most existing methods generate pseudo-labels for all frames in each video to train the segmentation model. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Dazhao Du , Enhan Li , Lingyu Si , Fanjiang Xu , Fuchun Sun

Statistical methods protecting sensitive information or the identity of the data owner have become critical to ensure privacy of individuals as well as of organizations. This paper investigates anonymization methods based on representation…

Machine Learning · Statistics 2018-02-27 Clément Feutry , Pablo Piantanida , Yoshua Bengio , Pierre Duhamel

Person re-identification (re-id) is a cross-camera retrieval task which establishes a correspondence between images of a person from multiple cameras. Deep Learning methods have been successfully applied to this problem and have achieved…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Jean-Paul Ainam , Ke Qin , Guisong Liu , Guangchun Luo

To prove that a dataset is sufficiently anonymized, many privacy policies suggest that a re-identification risk assessment be performed, but do not provide a precise methodology for doing so, leaving the industry alone with the problem.…

Cryptography and Security · Computer Science 2025-01-22 Louis-Philippe Sondeck , Maryline Laurent

Aggregate time-series data like traffic flow and site occupancy repeatedly sample statistics from a population across time. Such data can be profoundly useful for understanding trends within a given population, but also pose a significant…

Cryptography and Security · Computer Science 2022-01-14 Tatsuki Koga , Casey Meehan , Kamalika Chaudhuri

Recently, graph matching algorithms have been successfully applied to the problem of network de-anonymization, in which nodes (users) participating to more than one social network are identified only by means of the structure of their links…

Social and Information Networks · Computer Science 2015-08-11 C. F Chiasserini , M. Garetto , E. Leonardi

A new technique is presented to design energy-efficient large-scale tracking systems based on mobile clustering. The new technique optimizes the formation of mobile clusters to minimize energy consumption in large-scale tracking systems.…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-11 Hesham Alfares , Abdulrahman Abu Elkhail , Uthman Baroudi

With the growing amount of data, data processing workloads and the management of their resource usage becomes increasingly important. Since managing a dedicated infrastructure is in many situations infeasible or uneconomical, users…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-01-19 Dominik Scheinert , Alireza Alamgiralem , Jonathan Bader , Jonathan Will , Thorsten Wittkopp , Lauritz Thamsen

A face image not only provides details about the identity of a subject but also reveals several attributes such as gender, race, sexual orientation, and age. Advancements in machine learning algorithms and popularity of sharing images on…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Saheb Chhabra , Richa Singh , Mayank Vatsa , Gaurav Gupta

With the aim of informing sound policy about data sharing and privacy, we describe successful re-identification of patients in an Australian de-identified open health dataset. As in prior studies of similar datasets, a few mundane facts…

Computers and Society · Computer Science 2017-12-18 Chris Culnane , Benjamin I. P. Rubinstein , Vanessa Teague

Text sanitization is the task of redacting a document to mask all occurrences of (direct or indirect) personal identifiers, with the goal of concealing the identity of the individual(s) referred in it. In this paper, we consider a two-step…

Computation and Language · Computer Science 2023-10-24 Anthi Papadopoulou , Pierre Lison , Mark Anderson , Lilja Øvrelid , Ildikó Pilán

Privacy concerns around ever increasing number of cameras are increasing in today's digital age. Although existing anonymization methods are able to obscure identity information, they often struggle to preserve the utility of the images. In…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Han-Wei Kung , Tuomas Varanka , Terence Sim , Nicu Sebe