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Related papers: Ensuring Privacy in Location-Based Services: A Mod…

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Location-based services (LBS) have been significantly developed and widely deployed in mobile devices. It is also well-known that LBS applications may result in severe privacy concerns by collecting sensitive locations. A strong privacy…

Cryptography and Security · Computer Science 2022-10-03 Han Wang , Hanbin Hong , Li Xiong , Zhan Qin , Yuan Hong

Location-Based Services (LBSs) offer significant convenience to mobile users but pose significant privacy risks, as attackers can infer sensitive personal information through spatiotemporal correlations in user trajectories. Since users'…

Cryptography and Security · Computer Science 2025-11-27 Minghui Min , Jiahui Liu , Mingge Cao , Shiyin Li , Hongliang Zhang , Miao Pan , Zhu Han

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 widespread adoption of continuously connected smartphones and tablets developed the usage of mobile applications, among which many use location to provide geolocated services. These services provide new prospects for users: getting…

Cryptography and Security · Computer Science 2018-10-09 Primault Vincent , Boutet Antoine , Ben Mokhtar Sonia , Brunie Lionel

News reports of the last few years indicated that several intelligence agencies are able to monitor large networks or entire portions of the Internet backbone. Such a powerful adversary has only recently been considered by the academic…

Cryptography and Security · Computer Science 2015-09-07 Giuseppe Ateniese , Briland Hitaj , Luigi V. Mancini , Nino V. Verde , Antonio Villani

With the wide adoption of handheld devices (e.g. smartphones, tablets) a large number of location-based services (also called LBSs) have flourished providing mobile users with real-time and contextual information on the move. Accounting for…

Cryptography and Security · Computer Science 2014-10-29 Vincent Primault , Sonia Ben Mokhtar , Cedric Lauradoux , Lionel Brunie

In pervasive computing environment, Location Based Services (LBSs) are getting popularity among users because of their usefulness in day-to-day life. LBSs are information services that use geospatial data of mobile device and smart phone…

Cryptography and Security · Computer Science 2017-11-15 Pratima Biswas , Ashok Singh Sairam

Location privacy has been extensively studied in the literature. However, existing location privacy models are either not rigorous or not customizable, which limits the trade-off between privacy and utility in many real-world applications.…

Cryptography and Security · Computer Science 2020-07-16 Yang Cao , Yonghui Xiao , Shun Takagi , Li Xiong , Masatoshi Yoshikawa , Yilin Shen , Jinfei Liu , Hongxia Jin , Xiaofeng Xu

Location-based services (LBSs) in vehicular ad hoc networks (VANETs) offer users numerous conveniences. However, the extensive use of LBSs raises concerns about the privacy of users' trajectories, as adversaries can exploit temporal…

Cryptography and Security · Computer Science 2024-01-23 Mingge Cao , Haopeng Zhu , Minghui Min , Yulu Li , Shiyin Li , Hongliang Zhang , Zhu Han

The growing popularity of location-based systems, allowing unknown/untrusted servers to easily collect huge amounts of information regarding users' location, has recently started raising serious privacy concerns. In this paper we study…

Cryptography and Security · Computer Science 2014-02-21 Miguel E. Andrés , Nicolás E. Bordenabe , Konstantinos Chatzikokolakis , Catuscia Palamidessi

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

Location-Based Service (LBS) becomes increasingly popular with the dramatic growth of smartphones and social network services (SNS), and its context-rich functionalities attract considerable users. Many LBS providers use users' location…

Cryptography and Security · Computer Science 2015-11-23 Xiang-Yang Li , Taeho Jung

Location privacy leaks can lead to unauthorised tracking, identity theft, and targeted attacks, compromising personal security and privacy. This study explores LLM-powered location privacy leaks associated with photo sharing on social…

Human-Computer Interaction · Computer Science 2025-03-27 Ying Ma , Shiquan Zhang , Dongju Yang , Zhanna Sarsenbayeva , Jarrod Knibbe , Jorge Goncalves

As location-based services (LBS) have grown in popularity, more human mobility data has been collected. The collected data can be used to build machine learning (ML) models for LBS to enhance their performance and improve overall experience…

Machine Learning · Computer Science 2024-07-09 Kunlin Cai , Jinghuai Zhang , Zhiqing Hong , Will Shand , Guang Wang , Desheng Zhang , Jianfeng Chi , Yuan Tian

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

As various mobile devices and location-based services are increasingly developed in different smart city scenarios and applications, many unexpected privacy leakages have arisen due to geolocated data collection and sharing. While these…

Machine Learning · Computer Science 2022-01-20 Yuting Zhan , Alex Kyllo , Afra Mashhadi , Hamed Haddadi

Metric differential privacy (DP) provides heterogeneous privacy guarantees based on a distance between the pair of inputs. It is a widely popular notion of privacy since it captures the natural privacy semantics for many applications (such…

Cryptography and Security · Computer Science 2024-10-10 Jacob Imola , Amrita Roy Chowdhury , Kamalika Chaudhuri

Recent years have seen rising needs for location-based services in our everyday life. Aside from the many advantages provided by these services, they have caused serious concerns regarding the location privacy of users. An adversary such as…

Cryptography and Security · Computer Science 2018-05-17 Sina Shaham , Ming Ding , Bo Liu , Zihuai Lin , Jun Li

Metric Differential Privacy (mDP) generalizes differential privacy by allowing privacy guarantees to be expressed with respect to an arbitrary distance metric over secrets. While mDP has been adopted in geo-location protection, most…

Cryptography and Security · Computer Science 2026-05-27 Gaoyi Chen , Yan Huang , Chenxi Qiu

When it comes to location-based services (LBS), user privacy protection can be in conflict with security of both users and trips. While LBS providers could adopt privacy preservation mechanisms to obfuscate customer data, the accuracy of…

Cryptography and Security · Computer Science 2021-12-14 Dajiang Suo , M. Elena Renda , Jinhua Zhao