English
Related papers

Related papers: Location Privacy in Spatial Crowdsourcing

200 papers

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

Participatory Sensing is an emerging computing paradigm that enables the distributed collection of data by self-selected participants. It allows the increasing number of mobile phone users to share local knowledge acquired by their…

Cryptography and Security · Computer Science 2013-02-11 Emiliano De Cristofaro , Claudio Soriente

Cooperative spectrum sensing, despite its effectiveness in enabling dynamic spectrum access, suffers from location privacy threats, merely because secondary users (SUs)' sensing reports that need to be shared with a fusion center to make…

Networking and Internet Architecture · Computer Science 2018-07-18 Mohamed Grissa , Attila Yavuz , Bechir Hamdaoui

Monitoring location updates from mobile users has important applications in many areas, ranging from public safety and national security to social networks and advertising. However, sensitive information can be derived from movement…

Cryptography and Security · Computer Science 2020-08-31 Gabriel Ghinita , Kien Nguyen , Mihai Maruseac , Cyrus Shahabi

Crowdsourcing has gained popularity as a tool to harness human brain power to help solve problems that are difficult for computers. Previous work in crowdsourcing often assumes that workers complete crowdwork independently. In this paper,…

Human-Computer Interaction · Computer Science 2018-10-24 Chien-Ju Ho , Ming Yin

Satellite communication networks have attracted widespread attention for seamless network coverage and collaborative computing. In satellite-terrestrial networks, ground users can offload computing tasks to visible satellites that with…

Cryptography and Security · Computer Science 2024-02-21 Wenjun Lan , Kongyang Chen , Yikai Li , Jiannong Cao , Yuvraj Sahni

In location-based services(LBSs), it is promising for users to crowdsource and share their Point-of-Interest(PoI) information with each other in a common cache to reduce query frequency and preserve location privacy. Yet most studies on…

Cryptography and Security · Computer Science 2023-04-21 Shu Hong , Lingjie Duan

Today, the number of data-intensive and compute-intensive applications like business and scientific workflows has dramatically increased, which made cloud computing more popular in the matter of delivering a large amount of computing…

Cryptography and Security · Computer Science 2022-10-06 Nafiseh Soveizi , Fatih Turkmen , Dimka Karastoyanova

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

Mobile crowdsensing (MCS) is a promising sensing paradigm that leverages the diverse embedded sensors in massive mobile devices. A key objective in MCS is to efficiently schedule mobile users to perform multiple sensing tasks. Prior work…

Computer Science and Game Theory · Computer Science 2017-05-18 Changkun Jiang , Lin Gao , Lingjie Duan , Jianwei Huang

Cognitive radio networks (CRNs) have emerged as an essential technology to enable dynamic and opportunistic spectrum access which aims to exploit underutilized licensed channels to solve the spectrum scarcity problem. Despite the great…

Networking and Internet Architecture · Computer Science 2018-06-05 Mohamed Grissa , Bechir Hamdaoui , Attila A. Yavuz

In services such as retail audits and urban infrastructure monitoring, a platform dispatches rewarded, location-based micro-tasks to mobile workers traveling along personal origin-destination (OD) trips under hard time budgets. As requests…

Optimization and Control · Mathematics 2026-01-19 Zhibin Wu , Songhao Shen , Yufeng Zhou , Qin Lei

Crowdsourcing is a valuable approach for tracking objects in videos in a more scalable manner than possible with domain experts. However, existing frameworks do not produce high quality results with non-expert crowdworkers, especially for…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Samreen Anjum , Chi Lin , Danna Gurari

Semi-supervised approaches for crowd counting attract attention, as the fully supervised paradigm is expensive and laborious due to its request for a large number of images of dense crowd scenarios and their annotations. This paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Yanda Meng , Hongrun Zhang , Yitian Zhao , Xiaoyun Yang , Xuesheng Qian , Xiaowei Huang , Yalin Zheng

We study a multi-task private semantic communication problem, in which an encoder has access to an information source arbitrarily correlated with some latent private data. A user has $L$ tasks with priorities. The encoder designs a message…

Information Theory · Computer Science 2024-05-15 Amirreza Zamani , Sajad Daei , Tobias J. Oechtering , Mikael Skoglund

Crowdsourcing is an emerging computing paradigm that takes advantage of the intelligence of a crowd to solve complex problems effectively. Besides collecting and processing data, it is also a great demand for the crowd to conduct…

Neural and Evolutionary Computing · Computer Science 2023-04-13 Feng-Feng Wei , Wei-Neng Chen , Xiao-Qi Guo , Bowen Zhao , Sang-Woon Jeon , Jun Zhang

Information about people's movements and the locations they visit enables an increasing number of mobility analytics applications, e.g., in the context of urban and transportation planning, In this setting, rather than collecting or sharing…

Cryptography and Security · Computer Science 2017-06-13 Apostolos Pyrgelis , Carmela Troncoso , Emiliano De Cristofaro

We investigate the privacy practices of labor organizers in the computing technology industry and explore the changes in these practices as a response to remote work. Our study is situated at the intersection of two pivotal shifts in…

Human-Computer Interaction · Computer Science 2022-06-02 Sayash Kapoor , Matthew Sun , Mona Wang , Klaudia Jaźwińska , Elizabeth Anne Watkins

Cooperative spectrum sensing, despite its effectiveness in enabling dynamic spectrum access, suffers from location privacy threats, merely because secondary users (SUs)' sensing reports that need to be shared with a fusion center to make…

Networking and Internet Architecture · Computer Science 2018-06-05 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

In this chapter, we will explore the cloud-outsourced privacy-preserving computation of a controller on encrypted measurements from a (possibly distributed) system, taking into account the challenges introduced by the dynamical nature of…

Systems and Control · Electrical Eng. & Systems 2019-06-25 Andreea B. Alexandru , George J. Pappas