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Related papers: Adaptive Location Privacy with ALP

200 papers

Crowdsourcing enables application developers to benefit from large and diverse datasets at a low cost. Specifically, mobile crowdsourcing (MCS) leverages users' devices as sensors to perform geo-located data collection. The collection of…

Cryptography and Security · Computer Science 2019-06-06 Spyros Boukoros , Mathias Humbert , Stefan Katzenbeisser , Carmela Troncoso

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

Mobile edge crowdsensing (MECS) enables large-scale real-time sensing services, but its continuous data collection and transmission pipeline exposes terminal devices to dynamic privacy risks. Existing privacy protection schemes in MECS…

Machine Learning · Computer Science 2026-04-10 Guanjie Cheng , Siyang Liu , Xinkui Zhao , Yishan Chen , Junqin Huang , Linghe Kong , Shiguang Deng

Local Differential Privacy (LDP) offers strong privacy protection, especially in settings in which the server collecting the data is untrusted. However, designing LDP mechanisms that achieve an optimal trade-off between privacy, utility and…

Cryptography and Security · Computer Science 2026-03-20 Héber H. Arcolezi , Sébastien Gambs

In this paper, we study local information privacy (LIP), and design LIP based mechanisms for statistical aggregation while protecting users' privacy without relying on a trusted third party. The notion of context-awareness is incorporated…

Cryptography and Security · Computer Science 2020-12-01 Bo Jiang , Ming Li , Ravi Tandon

With the fast development of Information Technology, a tremendous amount of data have been generated and collected for research and analysis purposes. As an increasing number of users are growing concerned about their personal information,…

Cryptography and Security · Computer Science 2020-08-11 Mengmeng Yang , Lingjuan Lyu , Jun Zhao , Tianqing Zhu , Kwok-Yan Lam

Recent smart grid advancements enable near-realtime reporting of electricity consumption, raising concerns about consumer privacy. Differential privacy (DP) has emerged as a viable privacy solution, where a calculated amount of noise is…

Cryptography and Security · Computer Science 2025-03-18 Khadija Hafeez , Mubashir Husain Rehmani , Sumita Mishra , Donna OShea

In this paper, we introduce an adaptation of the facility location problem and analyze it within the framework of local differential privacy (LDP). Under this model, we ensure the privacy of client presence at specific locations. When n is…

Cryptography and Security · Computer Science 2025-06-19 Kevin Pfisterer , Quentin Hillebrand , Vorapong Suppakitpaisarn

Trajectory data collection is a common task with many applications in our daily lives. Analyzing trajectory data enables service providers to enhance their services, which ultimately benefits users. However, directly collecting trajectory…

Databases · Computer Science 2023-07-25 Yuemin Zhang , Qingqing Ye , Rui Chen , Haibo Hu , Qilong Han

Geo-obfuscation serves as a location privacy protection mechanism (LPPM), enabling mobile users to share obfuscated locations with servers, rather than their exact locations. This method can protect users' location privacy when data…

Cryptography and Security · Computer Science 2024-12-17 Chenxi Qiu , Ruiyao Liu , Primal Pappachan , Anna Squicciarini , Xinpeng Xie

In the last years we have witnessed the appearance of a variety of strategies to design optimal location privacy-preserving mechanisms, in terms of maximizing the adversary's expected error with respect to the users' whereabouts. In this…

Cryptography and Security · Computer Science 2017-08-25 Simon Oya , Carmela Troncoso , Fernando Pérez-González

Privacy in Location-Based Services (LBS) has become a paramount concern with the ubiquity of mobile devices and the increasing integration of location data into various applications. This paper presents several novel contributions to…

Cryptography and Security · Computer Science 2024-09-24 Anis Bkakria , Reda Yaich

The emergence and evolution of Local Differential Privacy (LDP) and its various adaptations play a pivotal role in tackling privacy issues related to the vast amounts of data generated by intelligent devices, which are crucial for…

Cryptography and Security · Computer Science 2024-01-26 Likun Qin , Tianshuo Qiu

Precise access control decisions are crucial for the security of both traditional applications and emerging agent-based systems. Typically, these decisions are made by users during app installation or at runtime. However, due to the…

Cryptography and Security · Computer Science 2026-05-06 Friederike Groschupp , Daniele Lain , Aritra Dhar , Lara Magdalena Lazier , Srdjan Čapkun

The popularity of mobile devices and location-based services (LBS) has created great concern regarding the location privacy of their users. Anonymization is a common technique that is often used to protect the location privacy of LBS users.…

Information Theory · Computer Science 2017-01-23 Zarrin Montazeri , Amir Houmansadr , Hossein Pishro-Nik

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

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

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

The rapid advancement of location-based services (LBSs) in three-dimensional (3D) domains, such as smart cities and intelligent transportation, has raised concerns over 3D spatiotemporal trajectory privacy protection. However, existing…

Cryptography and Security · Computer Science 2025-12-01 Minghui Min , Yulu Li , Gang Li , Meng Li , Hongliang Zhang , Miao Pan , Dusit Niyato , Zhu Han

In this paper, localized information privacy (LIP) is proposed, as a new privacy definition, which allows statistical aggregation while protecting users' privacy without relying on a trusted third party. The notion of context-awareness is…

Information Theory · Computer Science 2018-08-02 Bo Jiang , Ming Li , Ravi Tandon