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Statistical model checking is a class of sequential algorithms that can verify specifications of interest on an ensemble of cyber-physical systems (e.g., whether 99% of cars from a batch meet a requirement on their energy efficiency). These…

Machine Learning · Computer Science 2022-06-29 Yu Wang , Hussein Sibai , Mark Yen , Sayan Mitra , Geir E. Dullerud

Differential privacy is typically studied in the central model where a trusted "aggregator" holds the sensitive data of all the individuals and is responsible for protecting their privacy. A popular alternative is the local model in which…

Cryptography and Security · Computer Science 2020-09-14 Thomas Steinke

Advances in data collection and data storage technologies have given way to the establishment of transactional databases among companies and organizations, as they allow enormous amounts of data to be stored efficiently. Useful knowledge…

Cryptography and Security · Computer Science 2018-03-01 Vasileios Kagklis , Elias C. Stavropoulos , Vassilios S. Verykios

Users worldwide access massive amounts of curated data in the form of rankings on a daily basis. The societal impact of this ease of access has been studied and work has been done to propose and enforce various notions of fairness in…

Information Retrieval · Computer Science 2023-03-07 Jia Ao Sun , Sikha Pentyala , Martine De Cock , Golnoosh Farnadi

We introduce a deep learning framework able to deal with strong privacy constraints. Based on collaborative learning, differential privacy and homomorphic encryption, the proposed approach advances state-of-the-art of private deep learning…

Cryptography and Security · Computer Science 2021-03-29 Arnaud Grivet Sébert , Rafael Pinot , Martin Zuber , Cédric Gouy-Pailler , Renaud Sirdey

This paper presents a privacy-preserving protocol for identity registration and information sharing in federated authentication systems. The goal is to enable Identity Providers (IdPs) to detect duplicate or fraudulent identity enrollments…

Cryptography and Security · Computer Science 2025-12-02 Francesco Buccafurri , Carmen Licciardi

Data sharing among partners---users, organizations, companies---is crucial for the advancement of data analytics in many domains. Sharing through secure computation and differential privacy allows these partners to perform private…

Cryptography and Security · Computer Science 2019-02-12 Z. Berkay Celik , Hidayet Aksu , Abbas Acar , Ryan Sheatsley , A. Selcuk Uluagac , Patrick McDaniel

We propose a hybrid model of differential privacy that considers a combination of regular and opt-in users who desire the differential privacy guarantees of the local privacy model and the trusted curator model, respectively. We demonstrate…

Cryptography and Security · Computer Science 2019-11-25 Brendan Avent , Aleksandra Korolova , David Zeber , Torgeir Hovden , Benjamin Livshits

In the field of fraud detection, the availability of comprehensive and privacy-compliant datasets is crucial for advancing machine learning research and developing effective anti-fraud systems. Traditional datasets often focus on…

Machine Learning · Computer Science 2024-04-24 Phoebe Jing , Yijing Gao , Xianlong Zeng

This paper focuses on the new privacy challenges that arise in smart homes. Specifically, the paper focuses on inferring the user's activities -- which may, in turn, lead to the user's privacy -- via inferences through device activities and…

Cryptography and Security · Computer Science 2020-04-09 Nisha Panwar , Shantanu Sharma , Guoxi Wang , Sharad Mehrotra , Nalini Venkatasubramanian

Unlike other industries in which intellectual property is patentable, the financial industry relies on trade secrecy to protect its business processes and methods, which can obscure critical financial risk exposures from regulators and the…

Risk Management · Quantitative Finance 2011-11-28 Emmanuel A. Abbe , Amir E. Khandani , Andrew W. Lo

As Large Language Models (LLMs) become integral to scientific workflows, concerns over the confidentiality and ethical handling of confidential data have emerged. This paper explores data exposure risks through LLM-powered scientific tools,…

Human-Computer Interaction · Computer Science 2025-04-15 Yashothara Shanmugarasa , Shidong Pan , Ming Ding , Dehai Zhao , Thierry Rakotoarivelo

Private record linkage (PRL) is the problem of identifying pairs of records that are similar as per an input matching rule from databases held by two parties that do not trust one another. We identify three key desiderata that a PRL…

Databases · Computer Science 2017-09-04 Xi He , Ashwin Machanavajjhala , Cheryl Flynn , Divesh Srivastava

Differential privacy is a promising privacy-preserving paradigm for statistical query processing over sensitive data. It works by injecting random noise into each query result, such that it is provably hard for the adversary to infer the…

Databases · Computer Science 2012-12-12 Ganzhao Yuan , Zhenjie Zhang , Marianne Winslett , Xiaokui Xiao , Yin Yang , Zhifeng Hao

Information network analysis has drawn a lot attention in recent years. Among all the aspects of network analysis, similarity measure of nodes has been shown useful in many applications, such as clustering, link prediction and community…

Cryptography and Security · Computer Science 2012-10-02 Yu-Wei Chu , Chih-Hua Tai , Ming-Syan Chen , Philip S. Yu

The leakage of data might have been an extreme effect on the personal level if it contains sensitive information. Common prevention methods like encryption-decryption, endpoint protection, intrusion detection system are prone to leakage.…

Cryptography and Security · Computer Science 2020-06-12 Poushali Sengupta , Sudipta Paul , Subhankar Mishra

In this paper, we study the problem of privacy-preserving data sharing, wherein only a subset of the records in a database are sensitive, possibly based on predefined privacy policies. Existing solutions, viz, differential privacy (DP), are…

Cryptography and Security · Computer Science 2017-12-19 Stelios Doudalis , Ios Kotsogiannis , Samuel Haney , Ashwin Machanavajjhala , Sharad Mehrotra

The iterative consensus problem requires a set of processes or agents with different initial values, to interact and update their states to eventually converge to a common value. Protocols solving iterative consensus serve as building…

Cryptography and Security · Computer Science 2012-08-10 Zhenqi Huang , Sayan Mitra , Geir Dullerud

Using real-world study data usually requires contractual agreements where research results may only be published in anonymized form. Requiring formal privacy guarantees, such as differential privacy, could be helpful for data-driven…

Cryptography and Security · Computer Science 2024-07-08 Jonas Allmann , Saskia Nuñez von Voigt , Florian Tschorsch

In distributed networks, calculating the maximum element is a fundamental task in data analysis, known as the distributed maximum consensus problem. However, the sensitive nature of the data involved makes privacy protection essential.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-17 Wenrui Yu , Richard Heusdens , Jun Pang , Qiongxiu Li