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Related papers: Adaptive Location Privacy with ALP

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Protecting location privacy in mobile services has recently received significant consideration as Location-Based Service (LBS) can reveal user locations to attackers. A problem in the existing cloaking schemes is that location…

Cryptography and Security · Computer Science 2017-09-13 Hiep H. Nguyen

While current autonomous navigation systems allow robots to successfully drive themselves from one point to another in specific environments, they typically require extensive manual parameter re-tuning by human robotics experts in order to…

Robotics · Computer Science 2022-05-19 Xuesu Xiao , Zizhao Wang , Zifan Xu , Bo Liu , Garrett Warnell , Gauraang Dhamankar , Anirudh Nair , Peter Stone

Inspired by the rapid development of Large Language Models (LLMs), LLM agents have evolved to perform complex tasks. LLM agents are now extensively applied across various domains, handling vast amounts of data to interact with humans and…

Cryptography and Security · Computer Science 2025-11-04 Feng He , Tianqing Zhu , Dayong Ye , Bo Liu , Wanlei Zhou , Philip S. Yu

In this paper, we propose new location privacy preserving schemes for database-driven cognitive radio networks that protect secondary users' (SUs) location privacy while allowing them to learn spectrum availability in their vicinity. Our…

Networking and Internet Architecture · Computer Science 2018-06-12 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

Sensitive data leakage is the major growing problem being faced by enterprises in this technical era. Data leakage causes severe threats for organization of data safety which badly affects the reputation of organizations. Data leakage is…

Cryptography and Security · Computer Science 2023-12-22 Kishu Gupta , Ashwani Kush

Several randomization mechanisms for local differential privacy (LDP) (e.g., randomized response) are well-studied to improve the utility. However, recent studies show that LDP is generally vulnerable to malicious data providers in nature.…

Cryptography and Security · Computer Science 2021-06-10 Fumiyuki Kato , Yang Cao , Masatoshi Yoshikawa

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

Local differential privacy (LDP) is increasingly employed in privacy-preserving machine learning to protect user data before sharing it with an untrusted aggregator. Most LDP methods assume that users possess only a single data record,…

Machine Learning · Computer Science 2025-05-05 Behnoosh Zamanlooy , Mario Diaz , Shahab Asoodeh

The rise of reinforcement learning (RL) in critical real-world applications demands a fundamental rethinking of privacy in AI systems. Traditional privacy frameworks, designed to protect isolated data points, fall short for sequential…

Machine Learning · Computer Science 2025-06-19 Flint Xiaofeng Fan , Cheston Tan , Roger Wattenhofer , Yew-Soon Ong

Trajectory data has the potential to greatly benefit a wide-range of real-world applications, such as tracking the spread of the disease through people's movement patterns and providing personalized location-based services based on travel…

Databases · Computer Science 2023-10-16 Yuntao Du , Yujia Hu , Zhikun Zhang , Ziquan Fang , Lu Chen , Baihua Zheng , Yunjun Gao

The collection and analysis of telemetry data from users' devices is routinely performed by many software companies. Telemetry collection leads to improved user experience but poses significant risks to users' privacy. Locally…

Cryptography and Security · Computer Science 2017-12-06 Bolin Ding , Janardhan Kulkarni , Sergey Yekhanin

While the adoption of connected vehicles is growing, security and privacy concerns are still the key barriers raised by society. These concerns mandate automakers and standardization groups to propose convenient solutions for privacy…

Cryptography and Security · Computer Science 2020-01-28 Abdelwahab Boualouache , Ridha Soua , Thomas Engel

With the pervasive use of smartphones that sense, collect, and process valuable information about the environment, ensuring location privacy has become one of the most important concerns in the modern age. A few recent research studies…

Cryptography and Security · Computer Science 2018-02-06 Arsalan Mosenia , Xiaoliang Dai , Prateek Mittal , Niraj Jha

For protecting users' private data, local differential privacy (LDP) has been leveraged to provide the privacy-preserving range query, thus supporting further statistical analysis. However, existing LDP-based range query approaches are…

Cryptography and Security · Computer Science 2021-10-15 Linkang Du , Zhikun Zhang , Shaojie Bai , Changchang Liu , Shouling Ji , Peng Cheng , Jiming Chen

Statistics about traffic flow and people's movement gathered from multiple geographical locations in a distributed manner are the driving force powering many applications, such as traffic prediction, demand prediction, and restaurant…

Cryptography and Security · Computer Science 2024-02-20 Tatsuki Koga , Casey Meehan , Kamalika Chaudhuri

Directly releasing those data raises privacy and liability (e.g., due to unauthorized distribution of such datasets) concerns since location data contain users' sensitive information, e.g., regular moving patterns and favorite spots. To…

Cryptography and Security · Computer Science 2023-04-25 Yuzhou Jiang , Emre Yilmaz , Erman Ayday

Local Differential Privacy (LDP) protocols enable an untrusted data collector to perform privacy-preserving data analytics. In particular, each user locally perturbs its data to preserve privacy before sending it to the data collector, who…

Cryptography and Security · Computer Science 2020-12-10 Xiaoyu Cao , Jinyuan Jia , Neil Zhenqiang Gong

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

Federated Learning, as a popular paradigm for collaborative training, is vulnerable against privacy attacks. Different privacy levels regarding users' attitudes need to be satisfied locally, while a strict privacy guarantee for the global…

Cryptography and Security · Computer Science 2023-05-29 Yixuan Liu , Suyun Zhao , Li Xiong , Yuhan Liu , Hong Chen

Users interacting with large language models (LLMs) under their real identifiers often unknowingly risk disclosing private information. Automatically notifying users whether their queries leak privacy and which phrases leak what private…

Computation and Language · Computer Science 2025-08-11 Hang Zeng , Xiangyu Liu , Yong Hu , Chaoyue Niu , Fan Wu , Shaojie Tang , Guihai Chen