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In recent years, it has become easy to obtain location information quite precisely. However, the acquisition of such information has risks such as individual identification and leakage of sensitive information, so it is necessary to protect…

Databases · Computer Science 2019-08-01 Maho Asada , Masatoshi Yoshikawa , Yang Cao

In this paper we propose a novel protocol that allows suppliers and grid operators to collect users' aggregate metering data in a secure and privacy-preserving manner. We use secure multiparty computation to ensure privacy protection. In…

Cryptography and Security · Computer Science 2019-03-15 Mustafa A. Mustafa , Sara Cleemput , Abelrahaman Aly , Aysajan Abidin

Preserving the privacy of individual databases when carrying out statistical calculations has a long history in statistics and had been the focus of much recent attention in machine learning In this paper, we present a protocol for…

Cryptography and Security · Computer Science 2011-12-01 Rob Hall , Yuval Nardi , Stephen Fienberg

Order-preserving encryption allows encrypting data, while still enabling efficient range queries on the encrypted data. Moreover, it does not require any change to the database management system, because comparison operates on ciphertexts…

Cryptography and Security · Computer Science 2018-02-06 Anselme Tueno , Florian Kerschbaum

Applications providing location-based services (LBS) have gained much attention and importance with the notion of the internet of things (IoT). Users are utilizing LBS by providing their location information to third-party service…

Cryptography and Security · Computer Science 2025-01-23 Sonia Sabir , Inayat Ali , Eraj Khan

Concerns on location privacy frequently arise with the rapid development of GPS enabled devices and location-based applications. While spatial transformation techniques such as location perturbation or generalization have been studied…

Databases · Computer Science 2015-11-05 Yonghui Xiao , Li Xiong

Biometric matching involves storing and processing sensitive user information. Maintaining the privacy of this data is thus a major challenge, and homomorphic encryption offers a possible solution. We propose a privacy-preserving…

Cryptography and Security · Computer Science 2021-11-25 Gaëtan Pradel , Chris Mitchell

For real-world mobile applications such as location-based advertising and spatial crowdsourcing, a key to success is targeting mobile users that can maximally cover certain locations in a future period. To find an optimal group of users,…

Cryptography and Security · Computer Science 2017-11-21 Leye Wang , Gehua Qin , Dingqi Yang , Xiao Han , Xiaojuan Ma

Mobile devices with rich features can record videos, traffic parameters or air quality readings along user trajectories. Although such data may be valuable, users are seldom rewarded for collecting them. Emerging digital marketplaces allow…

Cryptography and Security · Computer Science 2019-10-02 Kien Nguyen , Gabriel Ghinita , Muhammad Naveed , Cyrus Shahabi

Consensus is fundamental for distributed systems since it underpins key functionalities of such systems ranging from distributed information fusion, decision-making, to decentralized control. In order to reach an agreement, existing…

Optimization and Control · Mathematics 2018-12-27 Minghao Ruan , Huan Gao , Yongqiang Wang

The increasing adoption of Cloud storage poses a number of privacy issues. Users wish to preserve full control over their sensitive data and cannot accept that it to be accessible by the remote storage provider. Previous research was made…

Cryptography and Security · Computer Science 2015-03-30 Ernesto Damiani , Francesco Pagano , Davide Pagano

Safeguarding privacy in machine learning is highly desirable, especially in collaborative studies across many organizations. Privacy-preserving distributed machine learning (based on cryptography) is popular to solve the problem. However,…

Machine Learning · Computer Science 2016-11-07 Wei Xie , Yang Wang , Steven M. Boker , Donald E. Brown

Several applications require computing distances between different people. For example,this is required if we want to obtain the close contacts of people in case of and epidemic,or when restraining orders are imposed by a judge. However,…

Cryptography and Security · Computer Science 2020-04-17 Cristina Romero-Tris , David Megías

Mobile location-based services (LBSs) empowered by mobile crowdsourcing provide users with context-aware intelligent services based on user locations. As smartphones are capable of collecting and disseminating massive user location-embedded…

Networking and Internet Architecture · Computer Science 2018-08-06 Fang-Jing Wu , Matthias R. Brust , Yan-Ann Chen , Tie Luo

The development of large-scale distributed control systems has led to the outsourcing of costly computations to cloud-computing platforms, as well as to concerns about privacy of the collected sensitive data. This paper develops a…

Optimization and Control · Mathematics 2019-09-17 Andreea B. Alexandru , Konstantinos Gatsis , Yasser Shoukry , Sanjit A. Seshia , Paulo Tabuada , George J. Pappas

Secure cloud storage is an issue of paramount importance that both businesses and end-users should take into consideration before moving their data to, potentially, untrusted clouds. Migrating data to the cloud raises multiple privacy…

Cryptography and Security · Computer Science 2022-05-09 Alexandros Bakas , Antonis Michalas

Cooperative spectrum sensing, despite its effectiveness in enabling dynamic spectrum access, suffers from location privacy threats, merely because secondary users (SUs)' sensing reports that need to be shared with a fusion center to make…

Networking and Internet Architecture · Computer Science 2018-07-18 Mohamed Grissa , Attila Yavuz , Bechir Hamdaoui

Privacy-preserving machine learning enables the training of models on decentralized datasets without the need to reveal the data, both on horizontal and vertically partitioned data. However, it relies on specialized techniques and…

Cryptography and Security · Computer Science 2023-02-14 Florian van Daalen , Inigo Bermejo , Lianne Ippel , Andre Dekker

The increasing adoption of Cloud-based data processing and storage poses a number of privacy issues. Users wish to preserve full control over their sensitive data and cannot accept it to be fully accessible to an external storage provider.…

Cryptography and Security · Computer Science 2015-03-30 Francesco Pagano

Searching for available parking spaces is a major problem for drivers especially in big crowded cities, causing traffic congestion and air pollution, and wasting drivers' time. Smart parking systems are a novel solution to enable drivers to…

Cryptography and Security · Computer Science 2021-01-28 Wesam Al Amiri , Mohamed Baza , Karim Banawan , Mohamed Mahmoud , Waleed Alasmary , Kemal Akkaya