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Related papers: Location Privacy in Spatial Crowdsourcing

200 papers

With the prevalence of mobile devices and ubiquitous wireless networks, spatial crowdsourcing has attracted much attention from both academic and industry communities. On spatial crowdsourcing platforms, task requesters can publish spatial…

Databases · Computer Science 2023-03-09 Yunjun Zhou , Shuhan Wan , Detian Zhang , Shiting Wen

A critical issue in software development projects in IT service companies is finding the right people at the right time. By enabling assignments of tasks to people to be more fluid, the use of crowdsourcing approaches within a company…

Software Engineering · Computer Science 2020-09-14 Shinobu Saito , Yukako Iimura , Emad Aghayi , Thomas D. LaToza

Visual localization is the problem of estimating the position and orientation from which a given image (or a sequence of images) is taken in a known scene. It is an important part of a wide range of computer vision and robotics…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Ara Jafarzadeh , Manuel Lopez Antequera , Pau Gargallo , Yubin Kuang , Carl Toft , Fredrik Kahl , Torsten Sattler

A distributed computing protocol consists of three components: (i) Data Localization: a network-wide dataset is decomposed into local datasets separately preserved at a network of nodes; (ii) Node Communication: the nodes hold individual…

Systems and Control · Computer Science 2019-02-20 Yang Liu , Junfeng Wu , Ian R. Manchester , Guodong Shi

Crowdsourcing has emerged as an alternative solution for collecting large scale labels. However, the majority of recruited workers are not domain experts, so their contributed labels could be noisy. In this paper, we propose a two-stage…

Methodology · Statistics 2023-09-28 Qi Xu , Yubai Yuan , Junhui Wang , Annie Qu

Spatio-temporal action localization consists of three levels of tasks: spatial localization, action classification, and temporal localization. In this work, we propose a new progressive cross-stream cooperation (PCSC) framework that…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Rui Su , Dong Xu , Luping Zhou , Wanli Ouyang

Modern city governance relies heavily on crowdsourcing to identify problems such as downed trees and power lines. A major concern is that residents do not report problems at the same rates, with heterogeneous reporting delays directly…

Applications · Statistics 2023-12-07 Zhi Liu , Uma Bhandaram , Nikhil Garg

In the past decade, tracking health trends using social media data has shown great promise, due to a powerful combination of massive adoption of social media around the world, and increasingly potent hardware and software that enables us to…

Computers and Society · Computer Science 2018-05-16 Martin Mueller , Marcel Salathé

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

Cloud computing is an Internet-based computing, where shared resources, software and information, are provided to computers and devices on-demand. It provides people the way to share distributed resources and services that belong to…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-11-15 Pardeep Kumar , Vivek Kumar Sehgal , Durg Singh Chauhan , P. K. Gupta , Manoj Diwakar

Location-based services are increasingly used in our daily activities. In current services, users however have to give up their location privacy in order to acquire the service. The literature features a large number of contributions which…

Cryptography and Security · Computer Science 2014-04-21 Jens Mathias Bohli , Dan Dobre , Ghassan O. Karame , Wenting Li

Many companies now use crowdsourcing to leverage external (as well as internal) crowds to perform specialized work, and so methods of improving efficiency are critical. Tasks in crowdsourcing systems with specialized work have multiple…

Multiagent Systems · Computer Science 2016-01-19 Avhishek Chatterjee , Michael Borokhovich , Lav R. Varshney , Sriram Vishwanath

Spatial Mobile Crowdsourcing (SMCS) can be leveraged by exploiting the capabilities of the Social Internet-of-Things (SIoT) to execute spatial tasks. Typically, in SMCS, a task requester aims to recruit a subset of IoT devices and…

Social and Information Networks · Computer Science 2020-04-21 Abdullah Khanfor , Aymen Hamrouni , Hakim Ghazzai , Ye Yang , Yehia Massoud

Crowdsourcing is becoming an accepted method of software development for different phases in the production lifecycle. Ideally, mass parallel production through Crowdsourcing could be an option for rapid acquisition in software engineering…

Software Engineering · Computer Science 2021-03-19 Razieh Saremi , Marzieh Lotfalian Saremi , Sanam Jena , Robert Anzalone , Ahmed Bahabry

A large amount of data and applications are migrated by researchers, stakeholders, academia, and business organizations to the cloud environment due to its large variety of services, which involve the least maintenance cost, maximum…

Cryptography and Security · Computer Science 2023-06-16 Rishabh Gupta , Deepika Saxena , Ashutosh Kumar Singh

Mixed Reality (MR) technologies are increasingly adopted by enterprises to enhance remote collaboration, enabling users to share real-time views of their physical environments through head-mounted displays (HMDs). While MR spatial sharing…

Human-Computer Interaction · Computer Science 2026-02-09 Mengyu Chen , Youngwook Do , Feiyu Lu , Kaiming Cheng , Blair MacIntyre

Cloud platform came into existence primarily to accelerate IT delivery and to promote innovation. To this point, it has performed largely well to the expectations of technologists, businesses and customers. The service aspect of this…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-01-25 Nidhi Rastogi , Marie Joan Kristine Gloria , James Hendler

We conduct an experimental analysis of a dataset comprising over 27 million microtasks performed by over 70,000 workers issued to a large crowdsourcing marketplace between 2012-2016. Using this data---never before analyzed in an academic…

Human-Computer Interaction · Computer Science 2017-01-24 Ayush Jain , Akash Das Sarma , Aditya Parameswaran , Jennifer Widom

Crowdsourcing has arisen as a new problem-solving paradigm for tasks that are difficult for computers but easy for humans. However, since the answers collected from the recruited participants (workers) may contain sensitive information,…

Cryptography and Security · Computer Science 2018-08-27 Haipei Sun , Boxiang Dong , Hui , Wang , Ting Yu , Zhan Qin

We consider a setting with an evolving set of requests for transportation from an origin to a destination before a deadline and a set of agents capable of servicing the requests. In this setting, an assignment authority is to assign agents…

Databases · Computer Science 2021-01-19 Bolong Zheng , Qi Hu , Lingfeng Ming , Jilin Hu , Lu Chen , Kai Zheng , Christian S. Jensen