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Generative modeling has been used frequently in synthetic data generation. Fairness and privacy are two big concerns for synthetic data. Although Recent GAN [\cite{goodfellow2014generative}] based methods show good results in preserving…

Machine Learning · Computer Science 2023-07-04 Weijie Xu , Jinjin Zhao , Francis Iannacci , Bo Wang

We propose a general statistical inference framework to capture the privacy threat incurred by a user that releases data to a passive but curious adversary, given utility constraints. We show that applying this general framework to the…

Information Theory · Computer Science 2012-10-09 Flavio du Pin Calmon , Nadia Fawaz

In recent years, with the continuous development of significant data industrialization, trajectory data have more and more critical analytical value for urban construction and environmental monitoring. However, the trajectory contains a lot…

Cryptography and Security · Computer Science 2018-04-06 Qilong Han , Dan Lu , Kejia Zhang , Xiaojiang Du , Mohsen Guizani

Synthetic data has been hailed as the silver bullet for privacy preserving data analysis. If a record is not real, then how could it violate a person's privacy? In addition, deep-learning based generative models are employed successfully to…

Machine Learning · Computer Science 2023-07-14 Benedikt Groß , Gerhard Wunder

Mobility traces are among the most revealing forms of personal data, yet trajectory releases are often protected only by ad hoc transformations. We stress-test such practices on recently-released YJMob100K, an anonymized dataset of 100,000…

Cryptography and Security · Computer Science 2026-05-12 Abhishek Kumar Mishra , Mathieu Cunche , Heber H. Arcolezi

The fundamental trade-off between privacy and utility remains an active area of research. Our contribution is motivated by two observations. First, privacy mechanisms developed for one-time data release cannot straightforwardly be extended…

Information Theory · Computer Science 2026-01-30 Sophie Taylor , Praneeth Kumar Vippathalla , Justin Coon

In this work, we develop a privacy-by-design generative model for synthesizing the activity diary of the travel population using state-of-art deep learning approaches. This proposed approach extends literature on population synthesis by…

Machine Learning · Computer Science 2021-01-01 Godwin Badu-Marfo , Bilal Farooq , Zachary Patterson

The current trajectory privacy protection technology only considers the temporal and spatial attributes of trajectory data, but ignores the social attributes. However, there is an intrinsic relationship between social attributes and human…

Cryptography and Security · Computer Science 2022-12-14 Hua Wang

The increasing popularity of online social network brings huge privacy threat for the end users. While existing work focus on inferring sensitive attributes from the social network such as age, location and gender, little has been done on…

Social and Information Networks · Computer Science 2017-07-27 Jinxue Zhang

Synthetic health data have the potential to mitigate privacy concerns when sharing data to support biomedical research and the development of innovative healthcare applications. Modern approaches for data generation based on machine…

Machine Learning · Computer Science 2023-01-11 Chao Yan , Yao Yan , Zhiyu Wan , Ziqi Zhang , Larsson Omberg , Justin Guinney , Sean D. Mooney , Bradley A. Malin

Recent advances in generating synthetic data that allow to add principled ways of protecting privacy -- such as Differential Privacy -- are a crucial step in sharing statistical information in a privacy preserving way. But while the focus…

Machine Learning · Statistics 2021-10-04 Christian Arnold , Marcel Neunhoeffer

Although there are privacy-enhancing tools designed to protect users' online privacy, it is surprising to see a lack of user-centric solutions allowing privacy control based on the joint assessment of privacy risks and benefits, due to data…

Cryptography and Security · Computer Science 2019-09-24 Yang Lu , Shujun Li , Athina Ioannou , Iis Tussyadiah

We study privacy-utility trade-offs where users share privacy-correlated useful information with a service provider to obtain some utility. The service provider is adversarial in the sense that it can infer the users' private information…

Information Theory · Computer Science 2021-06-29 Xiaoming Duan , Zhe Xu , Rui Yan , Ufuk Topcu

Generative models must ensure both privacy and fairness for Trustworthy AI. While these goals have been pursued separately, recent studies propose to combine existing privacy and fairness techniques to achieve both goals. However, naively…

Machine Learning · Computer Science 2025-03-03 Soyeon Kim , Yuji Roh , Geon Heo , Steven Euijong Whang

Nowadays, crowd sensing becomes increasingly more popular due to the ubiquitous usage of mobile devices. However, the quality of such human-generated sensory data varies significantly among different users. To better utilize sensory data,…

Cryptography and Security · Computer Science 2018-10-12 Yaliang Li , Houping Xiao , Zhan Qin , Chenglin Miao , Lu Su , Jing Gao , Kui Ren , Bolin Ding

Trajectory data mining is crucial for smart city management. However, collecting large-scale trajectory datasets is challenging due to factors such as commercial conflicts and privacy regulations. Therefore, we urgently need trajectory…

Machine Learning · Computer Science 2025-02-04 Jingyuan Wang , Yujing Lin , Yudong Li

The importance of personal mobility data is widely recognized in various fields. However, the utilization of real personal mobility data raises privacy concerns. Therefore, it is crucial to generate pseudo personal mobility data that…

Computers and Society · Computer Science 2023-12-19 Peiran Li , Haoran Zhang , Wenjing Li , Dou Huang , Jinyu Chen , Junxiang Zhang , Xuan Song , Pengjun Zhao , Shibasaki Ryosuke

This research presents FDASynthesis, a novel algorithm designed to generate synthetic GPS trajectory data while preserving privacy. After pre-processing the input GPS data, human mobility traces are modeled as multidimensional curves using…

Applications · Statistics 2024-11-11 Arianna Burzacchi , Lise Bellanger , Klervi Le Gall , Aymeric Stamm , Simone Vantini

Sequential data is everywhere, and it can serve as a basis for research that will lead to improved processes. For example, road infrastructure can be improved by identifying bottlenecks in GPS data, or early diagnosis can be improved by…

Cryptography and Security · Computer Science 2020-02-25 Sigal Shaked , Lior Rokach

Privacy-preserving synthetic data offers a promising solution to harness segregated data in high-stakes domains where information is compartmentalized for regulatory, privacy, or institutional reasons. This survey provides a comprehensive…

Cryptography and Security · Computer Science 2025-03-28 Viktor Schlegel , Anil A Bharath , Zilong Zhao , Kevin Yee