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Related papers: Location Privacy in Spatial Crowdsourcing

200 papers

Crowd management relies on inspection of surveillance video either by operators or by object detection models. These models are large, making it difficult to deploy them on resource constrained edge hardware. Instead, the computations are…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Sander De Coninck , Sam Leroux , Pieter Simoens

Cloud computing customers often submit repeating jobs and computation pipelines on \emph{approximately} regular schedules, with arrival and running times that exhibit variance. This pattern, typical of training tasks in machine learning,…

Computer Science and Game Theory · Computer Science 2022-03-03 Moshe Babaioff , Ronny Lempel , Brendan Lucier , Ishai Menache , Aleksandrs Slivkins , Sam Chiu-Wai Wong

Many data mining tasks cannot be completely addressed by auto- mated processes, such as sentiment analysis and image classification. Crowdsourcing is an effective way to harness the human cognitive ability to process these machine-hard…

Databases · Computer Science 2018-10-22 Chengliang Chai , Ju Fan , Guoliang Li , Jiannan Wang , Yudian Zheng

Spatial data are central to applications such as environmental monitoring and urban planning, but are often distributed across devices where privacy and communication constraints limit direct sharing. Federated modeling offers a practical…

Methodology · Statistics 2025-10-03 Jianwei Shi , Sameh Abdulah , Ying Sun , Marc G. Genton

Cloud computing helps reduce costs, increase business agility and deploy solutions with a high return on investment for many types of applications. However, data security is of premium importance to many users and often restrains their…

Databases · Computer Science 2018-01-01 Varunya Attasena , Jérôme Darmont , Nouria Harbi

A location histogram is comprised of the number of times a user has visited locations as they move in an area of interest, and it is often obtained from the user in applications such as recommendation and advertising. However, a location…

Cryptography and Security · Computer Science 2019-12-03 Grigorios Loukides , George Theodorakopoulos

When can quantum information be localized to each of a collection of spacetime regions, while also excluded from another collection of regions? We answer this question by defining and analyzing the localize-exclude task, in which a quantum…

Quantum Physics · Physics 2019-10-30 Patrick Hayden , Alex May

We introduce the novel concept of Spatial Predictive Control (SPC) to solve the following problem: given a collection of agents (e.g., drones) with positional low-level controllers (LLCs) and a mission-specific distributed cost function,…

Multiagent Systems · Computer Science 2022-04-01 Andreas Brandstätter , Scott A. Smolka , Scott D. Stoller , Ashish Tiwari , Radu Grosu

Simultaneous localization and mapping (SLAM) during communication is emerging. This technology promises to provide information on propagation environments and transceivers' location, thus creating several new services and applications for…

Information Theory · Computer Science 2021-08-10 Jie Yang , Chao-Kai Wen , Shi Jin , Xiao Li

Cloud computing is a new paradigm where data and services of Information Technology are provided via the Internet by using remote servers. It represents a new way of delivering computing resources allowing access to the network on demand.…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-10-02 Abdellah Idrissi , Faouzia Zegrari

Sharing sensitive data is vital in enabling many modern data analysis and machine learning tasks. However, current methods for data release are insufficiently accurate or granular to provide meaningful utility, and they carry a high risk of…

Databases · Computer Science 2021-08-25 Teddy Cunningham , Graham Cormode , Hakan Ferhatosmanoglu

We design and implement the first private and anonymous decentralized crowdsourcing system ZebraLancer, and overcome two fundamental challenges of decentralizing crowdsourcing, i.e., data leakage and identity breach. First, our…

Human-Computer Interaction · Computer Science 2020-05-08 Yuan Lu , Qiang Tang , Guiling Wang

The prevalence of mobile internet techniques stimulates the emergence of various spatial crowdsourcing applications. Certain of the applications serve for requesters, budget providers, who submit a batch of tasks and a fixed budget to…

Databases · Computer Science 2018-07-27 Jia-Xu Liu , Ke Xu

An exciting application of crowdsourcing is to use social networks in complex task execution. In this paper, we address the problem of a planner who needs to incentivize agents within a network in order to seek their help in executing an…

Computer Science and Game Theory · Computer Science 2012-08-09 Swaprava Nath , Pankaj Dayama , Dinesh Garg , Y. Narahari , James Zou

Location based services (LBS) are one of the most promising and innovative directions of convergence technologies resulting of emergence of several fields including database systems, mobile communication, Internet technology, and…

Cryptography and Security · Computer Science 2009-03-17 Abedelaziz Mohaisen , Dowon Hong , DaeHun Nyang

With the rapid development of crowdsourcing platforms that aggregate the intelligence of Internet workers, crowdsourcing has been widely utilized to address problems that require human cognitive abilities. Considering great dynamics of…

Databases · Computer Science 2018-06-05 Jiayang Tu , Peng Cheng , Lei Chen

In the first part of the paper, we have studied the computational privacy risks in distributed computing protocols against local or global dynamics eavesdroppers, and proposed a Privacy-Preserving-Summation-Consistent (PPSC) mechanism as a…

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

In this work we seek to understand how differences in location affect participation outcomes in IT-mediated crowds. To do so, we operationalize Crowd Capital Theory with data from a popular international creative crowdsourcing site, to…

Computers and Society · Computer Science 2017-02-15 J. Prpic , P. Shukla , Y. Roth , J. F. Lemoine

Location privacy-preserving mechanisms (LPPMs) have been extensively studied for protecting users' location privacy by releasing a perturbed location to third parties such as location-based service providers. However, when a user's…

Databases · Computer Science 2020-05-20 Yang Cao , Yonghui Xiao , Li Xiong , Liquan Bai , Masatoshi Yoshikawa

Crowdsourcing works by distributing many small tasks to large numbers of workers, yet the true potential of crowdsourcing lies in workers doing more than performing simple tasks---they can apply their experience and creativity to provide…

Social and Information Networks · Computer Science 2017-08-16 Thomas C. McAndrew , Elizaveta A. Guseva , James P. Bagrow