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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…

统计方法学 · 统计学 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,…

密码学与安全 · 计算机科学 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…

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…

机器学习 · 统计学 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…

人机交互 · 计算机科学 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…

密码学与安全 · 计算机科学 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,…

计算机视觉与模式识别 · 计算机科学 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…

机器学习 · 统计学 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…

计算机视觉与模式识别 · 计算机科学 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.…

密码学与安全 · 计算机科学 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…

密码学与安全 · 计算机科学 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…

社会与信息网络 · 计算机科学 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.…

分布式、并行与集群计算 · 计算机科学 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…

分布式、并行与集群计算 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机与社会 · 计算机科学 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…

计算与语言 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Han-Wei Kung , Tuomas Varanka , Terence Sim , Nicu Sebe