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Minimizing privacy leakage while ensuring data utility is a critical problem to data holders in a privacy-preserving data publishing task. Most prior research concerns only with one type of data and resorts to a single obscuring method,…

Cryptography and Security · Computer Science 2021-12-16 Xiao Han , Yuncong Yang , Junjie Wu

Online users generate tremendous amounts of data. To better serve users, it is required to share the user-related data among researchers, advertisers and application developers. Publishing such data would raise more concerns on user…

Cryptography and Security · Computer Science 2018-06-27 Ghazaleh Beigi

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

Protecting privacy is essential when sharing data, particularly in the case of an online radicalization dataset that may contain personal information. In this paper, we explore the balance between preserving data usefulness and ensuring…

Computation and Language · Computer Science 2024-06-27 Arij Riabi , Menel Mahamdi , Virginie Mouilleron , Djamé Seddah

Several anonymization techniques, such as generalization and bucketization, have been designed for privacy preserving microdata publishing. Recent work has shown that generalization loses considerable amount of information, especially for…

Databases · Computer Science 2009-09-15 Tiancheng Li , Ninghui Li , Jian Zhang , Ian Molloy

Disclosure avoidance (DA) systems are used to safeguard the confidentiality of data while allowing it to be analyzed and disseminated for analytic purposes. These methods, e.g., cell suppression, swapping, and k-anonymity, are commonly…

Cryptography and Security · Computer Science 2023-01-31 Keyu Zhu , Ferdinando Fioretto , Pascal Van Hentenryck , Saswat Das , Christine Task

We propose a practical methodology to protect a user's private data, when he wishes to publicly release data that is correlated with his private data, in the hope of getting some utility. Our approach relies on a general statistical…

Cryptography and Security · Computer Science 2015-10-28 Salman Salamatian , Amy Zhang , Flavio du Pin Calmon , Sandilya Bhamidipati , Nadia Fawaz , Branislav Kveton , Pedro Oliveira , Nina Taft

Authorship obfuscation techniques hold the promise of helping people protect their privacy in online communications by automatically rewriting text to hide the identity of the original author. However, obfuscation has been evaluated in…

Computation and Language · Computer Science 2024-05-17 Calvin Bao , Marine Carpuat

Distributed optimization and learning has recently garnered great attention due to its wide applications in sensor networks, smart grids, machine learning, and so forth. Despite rapid development, existing distributed optimization and…

Machine Learning · Computer Science 2024-03-04 Ziqin Chen , Yongqiang Wang

Preserving privacy of continuous and/or high-dimensional data such as images, videos and audios, can be challenging with syntactic anonymization methods which are designed for discrete attributes. Differential privacy, which provides a more…

Machine Learning · Computer Science 2017-12-04 Jihun Hamm

This paper studies the statistical characterization of detecting an adversary who wants to harm some computation such as machine learning models or aggregation by altering the output of a differentially private mechanism in addition to…

Information Theory · Computer Science 2021-06-28 Ayşe Ünsal , Melek Önen

This work proposes a novel privacy-preserving neural network feature representation to suppress the sensitive information of a learned space while maintaining the utility of the data. The new international regulation for personal data…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Aythami Morales , Julian Fierrez , Ruben Vera-Rodriguez , Ruben Tolosana

We propose a novel architecture which is able to automatically anonymize faces in images while retaining the original data distribution. We ensure total anonymization of all faces in an image by generating images exclusively on privacy-safe…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Håkon Hukkelås , Rudolf Mester , Frank Lindseth

So far, privacy models follow two paradigms. The first paradigm, termed inferential privacy in this paper, focuses on the risk due to statistical inference of sensitive information about a target record from other records in the database.…

Databases · Computer Science 2012-02-17 Ke Wang , Peng Wang , Ada Waichee Fu , Raywong Chi-Wing Wong

Anonymity has become a significant issue in security field by recent advances in information technology and internet. The main objective of anonymity is hiding and concealing entities privacy inside a system. Many methods and protocols have…

Cryptography and Security · Computer Science 2015-10-06 Morteza Yousefi Kharaji , Fatemeh Salehi Rizi

Data for deep learning should be protected for privacy preserving. Researchers have come up with the notion of learnable image encryption to satisfy the requirement. However, existing privacy preserving approaches have never considered the…

Image and Video Processing · Electrical Eng. & Systems 2019-08-01 MaungMaung AprilPyone , Warit Sirichotedumrong , Hitoshi Kiya

The source code of a program not only defines its semantics but also contains subtle clues that can identify its author. Several studies have shown that these clues can be automatically extracted using machine learning and allow for…

Cryptography and Security · Computer Science 2024-04-11 Micha Horlboge , Erwin Quiring , Roland Meyer , Konrad Rieck

Social networks have become an essential meeting point for millions of individuals willing to publish and consume huge quantities of heterogeneous information. Some studies have shown that the data published in these platforms may contain…

Cryptography and Security · Computer Science 2016-07-05 Alexandre Viejo , David Sánchez

This paper aims to improve privacy-preserving visual recognition, an increasingly demanded feature in smart camera applications, by formulating a unique adversarial training framework. The proposed framework explicitly learns a degradation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Zhenyu Wu , Zhangyang Wang , Zhaowen Wang , Hailin Jin

Recently, the data protection practices of researchers in human-computer interaction and elsewhere have gained attention. Initial results suggest that researchers struggle with anonymization, partly due to a lack of clear, actionable…

Human-Computer Interaction · Computer Science 2026-05-25 Luisa Jansen , Tim Ulmann , Robine Jordi , Malte Elson