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Decision trees are interpretable models that are well-suited to non-linear learning problems. Much work has been done on extending decision tree learning algorithms with differential privacy, a system that guarantees the privacy of samples…

Machine Learning · Computer Science 2023-10-13 Daniël Vos , Jelle Vos , Tianyu Li , Zekeriya Erkin , Sicco Verwer

Spatiotemporal data is prevalent in a wide range of edge devices, such as those used in personal communication and financial transactions. Recent advancements have sparked a growing interest in integrating spatiotemporal analysis with…

In recent years, machine learning techniques are widely used in numerous applications, such as weather forecast, financial data analysis, spam filtering, and medical prediction. In the meantime, massive data generated from multiple sources…

Cryptography and Security · Computer Science 2018-10-08 Wei Du , Ang Li , Qinghua Li

Process mining is rapidly growing in the industry. Consequently, privacy concerns regarding sensitive and private information included in event data, used by process mining algorithms, are becoming increasingly relevant. State-of-the-art…

Machine Learning · Computer Science 2023-03-30 Majid Rafiei , Frederik Wangelik , Mahsa Pourbafrani , Wil M. P. van der Aalst

Preserving the individuals' privacy in sharing spatial-temporal datasets is critical to prevent re-identification attacks based on unique trajectories. Existing privacy techniques tend to propose ideal privacy-utility tradeoffs, however,…

Machine Learning · Computer Science 2023-04-14 Yuting Zhan , Hamed Haddadi , Afra Mashhadi

Pervasive integration of GPS-enabled devices and data acquisition technologies has led to an exponential increase in GPS trajectory data, fostering advancements in spatial-temporal data mining research. Nonetheless, GPS trajectories contain…

Machine Learning · Computer Science 2023-10-25 Yuanshao Zhu , Yongchao Ye , Shiyao Zhang , Xiangyu Zhao , James J. Q. Yu

The rapid growth in data availability has facilitated research and development, yet not all industries have benefited equally due to legal and privacy constraints. The healthcare sector faces significant challenges in utilizing patient data…

Methodology · Statistics 2025-11-18 Katariina Perkonoja , Kari Auranen , Joni Virta

Providing meaningful privacy to users of location based services is particularly challenging when multiple locations are revealed in a short period of time. This is primarily due to the tremendous degree of dependence that can be…

Machine Learning · Computer Science 2019-12-10 Casey Meehan , Kamalika Chaudhuri

Generative models learn the distribution of data from a sample dataset and can then generate new data instances. Recent advances in deep learning has brought forth improvements in generative model architectures, and some state-of-the-art…

Cryptography and Security · Computer Science 2021-07-30 Luke A. Bauer , Vincent Bindschaedler

The success of applications for sharing GPS trajectories raises serious privacy concerns, in particular about users' home addresses. In this paper we show that a Bayesian approach is natural and effective for a rigorous analysis of…

Applications · Statistics 2019-05-15 Sirio Legramanti

Creation of a synthetic dataset that faithfully represents the data distribution and simultaneously preserves privacy is a major research challenge. Many space partitioning based approaches have emerged in recent years for answering…

Cryptography and Security · Computer Science 2023-06-26 Eleonora Kreačić , Navid Nouri , Vamsi K. Potluru , Tucker Balch , Manuela Veloso

Conventional origin-destination (OD) matrices record the count of trips between pairs of start and end locations, and have been extensively used in transportation, traffic planning, etc. More recently, due to use case scenarios such as…

Databases · Computer Science 2022-02-28 Sina Shaham , Gabriel Ghinita , Cyrus Shahabi

Accurate trajectory prediction is fundamental to autonomous driving, as it underpins safe motion planning and collision avoidance in complex environments. However, existing benchmark datasets suffer from a pronounced long-tail distribution…

Robotics · Computer Science 2025-10-06 Ruining Yang , Yi Xu , Yixiao Chen , Yun Fu , Lili Su

While previous works on privacy-preserving serial data publishing consider the scenario where sensitive values may persist over multiple data releases, we find that no previous work has sufficient protection provided for sensitive values…

Databases · Computer Science 2009-03-05 Raymond Chi-Wing Wong , Ada Wai-Chee Fu , Jia Liu , Ke Wang , Yabo Xu

As the prevalence of data analysis grows, safeguarding data privacy has become a paramount concern. Consequently, there has been an upsurge in the development of mechanisms aimed at privacy-preserving data analyses. However, these…

Cryptography and Security · Computer Science 2023-08-08 Yuzheng Hu , Fan Wu , Qinbin Li , Yunhui Long , Gonzalo Munilla Garrido , Chang Ge , Bolin Ding , David Forsyth , Bo Li , Dawn Song

Privacy attacks, particularly membership inference attacks (MIAs), are widely used to assess the privacy of generative models for tabular synthetic data, including those with Differential Privacy (DP) guarantees. These attacks often exploit…

Cryptography and Security · Computer Science 2025-04-15 Georgi Ganev , Meenatchi Sundaram Muthu Selva Annamalai , Sofiane Mahiou , Emiliano De Cristofaro

Process data with confidential information cannot be shared directly in public, which hinders the research in process data mining and analytics. Data encryption methods have been studied to protect the data, but they still may be decrypted,…

Machine Learning · Computer Science 2022-03-16 Keyi Li , Sen Yang , Travis M. Sullivan , Randall S. Burd , Ivan Marsic

Privacy policies are the main way to obtain information related to personal data collection and processing. Originally, privacy policies were presented as textual documents. However, the unsuitability of this format for the needs of today's…

Computers and Society · Computer Science 2020-09-14 Victor Morel , Raúl Pardo

Generative models are increasingly used to produce privacy-preserving synthetic data as a safe alternative to sharing sensitive training datasets. However, we demonstrate that such synthetic releases can still leak information about the…

Machine Learning · Computer Science 2025-12-09 S. M. Mustaqim , Anantaa Kotal , Paul H. Yi

Recent advances in synthetic data generation (SDG) have been hailed as a solution to the difficult problem of sharing sensitive data while protecting privacy. SDG aims to learn statistical properties of real data in order to generate…

Machine Learning · Computer Science 2024-05-10 Meenatchi Sundaram Muthu Selva Annamalai , Andrea Gadotti , Luc Rocher