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As modern networks continue to grow in both scale and complexity, sharing real-world device configurations poses significant privacy risks, especially when adversaries can infer organizational size or resource distribution from topology…

Networking and Internet Architecture · Computer Science 2025-04-28 Qianye Wang , Yuejie Wang , Yongting Chen , Guyue Liu

Location-Based Services (LBSs) provide invaluable aid in the everyday activities of many individuals, however they also pose serious threats to the user' privacy. There is, therefore, a growing interest in the development of mechanisms to…

Cryptography and Security · Computer Science 2017-10-17 Konstantinos Chatzikokolakis , Serge Haddad , Ali Kassem , Catuscia Palamidessi

The proliferation of smartphone devices has led to the emergence of powerful user services from enabling interactions with friends and business associates to mapping, finding nearby businesses and alerting users in real-time. Moreover,…

Cryptography and Security · Computer Science 2023-02-13 Dimitrios Tomaras , Michail Tsenos , Vana Kalogeraki

Many popular location-based social networks (LBSNs) support built-in location-based social discovery with hundreds of millions of users around the world. While user (near) realtime geographical information is essential to enable…

Social and Information Networks · Computer Science 2013-10-11 Muyuan Li , Haojin Zhu , Zhaoyu Gao , Si Chen , Kui Ren , Le Yu , Shangqian Hu

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

Sharing location traces with context-aware service providers has privacy implications. Location-privacy preserving mechanisms, such as obfuscation, anonymization and cryptographic primitives, have been shown to have impractical…

Cryptography and Security · Computer Science 2018-02-21 Vaibhav Kulkarni , Arielle Moro , Bertil Chapuis , Benoit Garbinato

Location-based services (LBSs) have become widely popular. Despite their utility, these services raise concerns for privacy since they require sharing location information with untrusted third parties. In this work, we study privacy-utility…

Information Theory · Computer Science 2019-10-07 Ecenaz Erdemir , Pier Luigi Dragotti , Deniz Gunduz

Do people care about their location privacy while using location-based service apps? This paper aims to answer this question and several other hypotheses through a survey, and review the privacy preservation techniques. Our results indicate…

Databases · Computer Science 2019-11-06 Sina Shaham , Saba Rafieian , Ming Ding , Mahyar Shirvanimoghaddam , Zihuai Lin

With the advent of location-based social networks, users can tag their daily activities in different locations through check-ins. These check-in locations signify user preferences for various socio-spatial activities and can be used to…

Social and Information Networks · Computer Science 2022-03-01 Nur Al Hasan Haldar , Jianxin Li , Mohammed Eunus Ali , Taotao Cai , Timos Sellis , Mark Reynolds

Obfuscation techniques in location-based services (LBSs) have been shown useful to hide the concrete locations of service users, whereas they do not necessarily provide the anonymity. We quantify the anonymity of the location data…

Cryptography and Security · Computer Science 2023-07-19 Yusuke Kawamoto , Takao Murakami

The burgeoning technology of Mobile Edge Computing is attracting the traditional LBS and LS to deploy due to its nature characters such as low latency and location awareness. Although this transplant will avoid the location privacy threat…

Cryptography and Security · Computer Science 2018-04-06 Hongli Zhang , Yuhang Wang , Xiaojiang Du , Mohsen Guizani

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

This article surveys blockchain-based approaches for several security services. These services include authentication, confidentiality, privacy, and access control list (ACL), data and resource provenance, and integrity assurance. All these…

Cryptography and Security · Computer Science 2018-10-23 Tara Salman , Maede Zolanvari , Aiman Erbad , Raj Jain , Mohammed Samaka

LiDAR-based localization serves as a critical component in autonomous systems, yet existing approaches face persistent challenges in balancing repeatability, accuracy, and environmental adaptability. Traditional point cloud registration…

Robotics · Computer Science 2025-08-01 Haoxuan Jiang , Peicong Qian , Yusen Xie , Xiaocong Li , Ming Liu , Jun Ma

Many online services rely on self-reported locations of user devices like smartphones. To mitigate harm from falsified self-reported locations, the literature has proposed location proof services (LPSs), which provide proof of a device's…

Cryptography and Security · Computer Science 2024-04-09 Roberta De Viti , Pierfrancesco Ingo , Isaac Sheff , Peter Druschel , Deepak Garg

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

Contact tracing is an important instrument for national health services to fight epidemics. As part of the COVID-19 situation, many proposals have been made for scaling up contract tracing capacities with the help of smartphone…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-03 Paulo Esteves-Verissimo , Jérémie Decouchant , Marcus Völp , Alireza Esfahani , Rafal Graczyk

Bluetooth (BT) has revolutionized close-range communication enabling smart capabilities in everyday devices through wireless technology. One of the most important sub-domains of Internet-of-Things (IoT) specializes in the usage of BT…

Networking and Internet Architecture · Computer Science 2022-12-21 Bharath Srinivas Prabakaran , Felix Fasching , Juri Schreib , Andreas Steininger , Muhammad Shafique

Cloud-device collaboration leverages on-cloud Large Language Models (LLMs) for handling public user queries and on-device Small Language Models (SLMs) for processing private user data, collectively forming a powerful and privacy-preserving…

Information Retrieval · Computer Science 2025-12-09 Yingyi Zhang , Pengyue Jia , Xianneng Li , Derong Xu , Maolin Wang , Yichao Wang , Zhaocheng Du , Huifeng Guo , Yong Liu , Ruiming Tang , Xiangyu Zhao

The ubiquity of mobile devices has led to the proliferation of mobile services that provide personalized and context-aware content to their users. Modern mobile services are distributed between end-devices, such as smartphones, and remote…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-23 Akanksha Atrey , Prashant Shenoy , David Jensen