中文
相关论文

相关论文: Location histogram privacy by sensitive location h…

200 篇论文

With the ubiquitous use of location-based services, large-scale individual-level location data has been widely collected through location-awareness devices. The widespread exposure of such location data poses significant privacy risks to…

密码学与安全 · 计算机科学 2024-09-16 Mahrokh Abdollahi Lorestani , Thilina Ranbaduge , Thierry Rakotoarivelo

Locimetric authentication is a form of graphical authentication in which users validate their identity by selecting predetermined points on a predetermined image. Its primary advantage over the ubiquitous text-based approach stems from…

密码学与安全 · 计算机科学 2022-04-04 Antonios Saravanos , Dongnanzi Zheng , Stavros Zervoudakis , Donatella Delfino

We consider the geo-indistinguishability approach to location privacy, and the trade-off with respect to utility. We show that, given a desired degree of geo-indistinguishability, it is possible to construct a mechanism that minimizes the…

密码学与安全 · 计算机科学 2014-08-26 Nicolás E. Bordenabe , Konstantinos Chatzikokolakis , Catuscia Palamidessi

Modern applications significantly enhance user experience by adapting to each user's individual condition and/or preferences. While this adaptation can greatly improve utility or be essential for the application to work (e.g., for…

信息论 · 计算机科学 2018-07-02 Nazanin Takbiri , Amir Houmansadr , Dennis L. Goeckel , Hossein Pishro-Nik

This paper introduces an emerging motion planning problem by considering a human that is immersed into the viewing perspective of a remote robot. The challenge is to make the experience both effective (such as delivering a sense of…

The proliferation of smartphones has led to the increased popularity of location-based search and recommendation systems. Online platforms like Google and Yelp allow location-based search in the form of nearby feature to query for hotels or…

信息检索 · 计算机科学 2020-11-17 Ashmi Banerjee , Gourab K Patro , Linus W. Dietz , Abhijnan Chakraborty

Strategic product placement can have a strong influence on customer purchase behavior in physical stores as well as online platforms. Motivated by this, we consider the problem of optimizing the placement of substitutable products in…

数据结构与算法 · 计算机科学 2025-10-06 Omar El Housni , Rajan Udwani

Numerous companies have started offering services based on large language models (LLM), such as ChatGPT, which inevitably raises privacy concerns as users' prompts are exposed to the model provider. Previous research on secure reasoning…

密码学与安全 · 计算机科学 2023-09-07 Yu Chen , Tingxin Li , Huiming Liu , Yang Yu

The growth in the number of users in mobile communications networks and the rise in the traffic generated by each user, are responsible for the increasing importance of Mobility Management. Within Mobility Management, the main objective of…

网络与互联网体系结构 · 计算机科学 2014-10-01 E Martin , R Bajcsy

Location Privacy-Preserving Mechanisms (LPPMs) in the literature largely consider that users' data available for training wholly characterizes their mobility patterns. Thus, they hardwire this information in their designs and evaluate their…

密码学与安全 · 计算机科学 2019-05-24 Simon Oya , Carmela Troncoso , Fernando Pérez-González

Location-Based Services (LBSs) provide valuable services, with convenient features for mobile users. However, the location and other information disclosed through each query to the LBS erodes user privacy. This is a concern especially…

密码学与安全 · 计算机科学 2020-01-23 Hongyu Jin , Panos Papadimitratos

An increasing amount of mobility data is being collected every day by different means, such as mobile applications or crowd-sensing campaigns. This data is sometimes published after the application of simple anonymization techniques (e.g.,…

密码学与安全 · 计算机科学 2015-07-03 Vincent Primault , Sonia Ben Mokhtar , Cédric Lauradoux , Lionel Brunie

Geographic privacy or geo-privacy refers to the keeping private of one's geographic location, especially the restriction of geographical data maintained by personal electronic devices. Geo-privacy is a crucial aspect of personal security;…

计算机与社会 · 计算机科学 2025-04-15 Yifan Yang , Siqin Wang , Daoyang Li , Yixian Zhang , Shuju Sun , Junzhou He

Simultaneous localization and mapping (SLAM) is critical to the implementation of autonomous driving. Most LiDAR-inertial SLAM algorithms assume a static environment, leading to unreliable localization in dynamic environments. Moreover, the…

机器人学 · 计算机科学 2024-10-28 Zhongyang Zhu , Junqiao Zhao , Kai Huang , Xuebo Tian , Jiaye Lin , Chen Ye

Finding nearest neighbors in high-dimensional spaces is a fundamental operation in many diverse application domains. Locality Sensitive Hashing (LSH) is one of the most popular techniques for finding approximate nearest neighbor searches in…

数据库 · 计算机科学 2021-02-18 Omid Jafari , Preeti Maurya , Parth Nagarkar , Khandker Mushfiqul Islam , Chidambaram Crushev

This paper investigates the privacy funnel, a privacy-utility tradeoff problem in which mutual information quantifies both privacy and utility. The objective is to maximize utility while adhering to a specified privacy budget. However, the…

信息论 · 计算机科学 2024-08-20 Mohammad Amin Zarrabian , Parastoo Sadeghi

Crowdsourcing plays an essential role in the Internet of Things (IoT) for data collection, where a group of workers is equipped with Internet-connected geolocated devices to collect sensor data for marketing or research purpose. In this…

密码学与安全 · 计算机科学 2020-12-29 Mengmeng Yang , Ivan Tjuawinata , Kwok Yan Lam , Jun Zhao , Lin Sun

Locality Sensitive Hashing (LSH) is an effective method to index a set of points such that we can efficiently find the nearest neighbors of a query point. We extend this method to our novel Set-query LSH (SLSH), such that it can find the…

数据结构与算法 · 计算机科学 2020-04-23 Haim Kaplan , Jay Tenenbaum

Recently, round-trip time (RTT) measured by a fine-timing measurement protocol has received great attention in the area of WiFi positioning. It provides an acceptable ranging accuracy in favorable environments when a line-of-sight (LOS)…

网络与互联网体系结构 · 计算机科学 2021-04-02 Kyuwon Han , Seung Min Yu , Seong-Lyun Kim , Seung-Woo Ko

Source location privacy (SLP) has been of great concern in WSNs when deployed for habitat monitoring applications. The issue is taken care of by employing privacy-preserving routing schemes. In the existing works, the attacker is assumed to…

密码学与安全 · 计算机科学 2025-03-03 Manjula Rajaa , Anirban Ghoshb , Chukkapalli Praveen Kumarc , Suleiman Samba , C N Shariff
‹ 上一页 1 8 9 10 下一页 ›