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Community-based crowdsourcing

Marco Brambilla, Stefano Ceri, Andrea Mauri, Riccardo Volonterio
2014 Proceedings of the 23rd International Conference on World Wide Web - WWW '14 Companion  
This paper is focused on community-based crowdsourcing applications, i.e. the ability of spawning crowdsourcing tasks upon multiple communities of performers, thus leveraging the peculiar characteristics  ...  We show that dynamic adaptation of crowdsourcing campaigns to community behaviour is particularly relevant.  ...  This paper is organized as follows: Section 2 describes related work and our previous work; Section 3 dwells into community-based crowdsourcing and presents our experimental scenario; Section 4 briefly  ... 
doi:10.1145/2567948.2578835 dblp:conf/www/BrambillaCMV14 fatcat:p5r55arwkjbfbo6ugc2bv6yzh4

Community-based bayesian aggregation models for crowdsourcing

Matteo Venanzi, John Guiver, Gabriella Kazai, Pushmeet Kohli, Milad Shokouhi
2014 Proceedings of the 23rd international conference on World wide web - WWW '14  
To mitigate this issue, we propose a novel community-based Bayesian label aggregation model, CommunityBCC, which assumes that crowd workers conform to a few different types, where each type represents  ...  This paper addresses the problem of extracting accurate labels from crowdsourced datasets, a key challenge in crowdsourcing.  ...  In the field of community detection, there are a number of graph based approaches that deal with crowdsourcing data categorizations [3] or with the identification of (potentially overlapping) community  ... 
doi:10.1145/2566486.2567989 dblp:conf/www/VenanziGKKS14 fatcat:fj4ol7n3z5gj5m562d4jlvhcbm

SCPR: Secure Crowdsourcing-Based Parking Reservation System

Changsheng Wan, Juan Zhang, Daoli Huang
2017 Security and Communication Networks  
The crowdsourcing-based parking reservation system is a new computing paradigm, where private owners can rent their parking spots out. Security is the main concern for parking reservation systems.  ...  Moreover, current schemes are typically based on the time-consuming bilinear pairing and not suitable for real-time applications.  ...  Security and Communication Networks Taking both user privacy and time cost into account, we shall design a pseudonym-based security protocol for crowdsourcing-based parking reservation systems without  ... 
doi:10.1155/2017/1076419 fatcat:vbj7xw3vffhwtkmb56f5v3qbda

Geo-Conquesting Based on Graph Analysis for Crowdsourced Metatrails from Mobile Sensing

Bo-Wei Chen, Wen Ji, Seungmin Rho
2017 IEEE Communications Magazine  
Several novel crowdsourced features based on metatrails, including hotspot networks, crowd transitions, affinity subnetworks, and sequential visiting patterns, are discussed in the article.  ...  This article investigates graph analysis for intelligent marketing in smart cities, where metatrails are crowdsourced by mobile sensing for marketing strategies.  ...  Based on communication types [2] , mobile sensing can be classified into two categories -Direct and indirect sensing.  ... 
doi:10.1109/mcom.2017.1600223cm fatcat:3sot67uic5fzrct5dzjxoaegwi

Evaluation of the Effectiveness of a Crowdsourcing-based Crime Detection System

Ryuya Itano, Takahiro Koita
2022 IEICE Communications Express  
Crowdsourcing can improve the accuracy of crime detection, which is difficult with a computer-based method.  ...  This study evaluates a crowdsourcing-based method's accuracy, cost, and detection time using a task to discriminate whether the crime of shoplifting is occurring in surveillance camera video footage.  ...  In terms of accuracy, the crowdsourcing-based method is more effective than the computerbased method. Furthermore, the cost of the crowdsourcing-based method is a tradeoff for accuracy.  ... 
doi:10.1587/comex.2022xbl0099 fatcat:nx53fjjcozhqjojcacegfwlxr4

Fairness based Multi-task Reward Allocation in Mobile Crowdsourcing System

Shuyun Luo, Jian Hou, Weiqiang Xu, Lili Wang
2019 IET Communications  
Mobile crowdsourcing-based applications, widely popular, exploit the sensing data crowdsourced from smartphone users without putting any burden on the extra cost of data sensing and collection.  ...  With the goal of guarantee, the fairness of reward allocation for each user in a multiple-task system, three algorithms, consensus-based reward allocation, consensus-based balanced topology reward allocation  ...  Compared with the traditional manual methods, the highlight of intelligent crowdsourcing-based applications lies in the fact that the costly sensing data can be crowdsourced from smartphone users without  ... 
doi:10.1049/iet-com.2018.5356 fatcat:b2j3mtlvfngkvkllujk7gcjup4

Construction and Application of Teaching System Based on Crowdsourcing Knowledge Graph [chapter]

Jinta Weng, Ying Gao, Jing Qiu, Guozhu Ding, Huanqin Zheng
2019 Communications in Computer and Information Science  
Though unfamiliarity with the learning mode of knowledge graph and learners' less attention to the knowledge structure, system based on Crowdsourcing Knowledge Graph can still get high acceptance around  ...  Using two crowdsourcing approaches, crowdsourcing task distribution and reverse captcha generation, to construct knowledge graph in the field of teaching system.  ...  based on knowledge graph.  ... 
doi:10.1007/978-981-15-1956-7_3 fatcat:wutwjpgj4vbzniefbb6awocnry

Evaluation of Effectiveness of Majority Voting Method in Crowdsourcing-based Subtitling Methods

Kantaro Mera, Ryuya Itano, Takahiro Koita
2022 IEICE Communications Express  
Crowdsourcing is an effective way to generate subtitles for videos with multiple speakers.  ...  This study proposes and evaluates a word-by-word majority voting method as a new approach to creating high-accuracy subtitles from multiple types of subtitles created by multiple workers in crowdsourcing  ...  In addition, video script is necessary for calculating the IEICE Communications Express, Vol.1, 1-6 accuracy but vide script is not in the actual subtitling stage.  ... 
doi:10.1587/comex.2022xbl0034 fatcat:u6lc3lhyezgovptk66sbks4dn4

Communicating Is Crowdsourcing: Wi-Fi Indoor Localization with CSI-based Speed Estimation [article]

Zhiping Jiang, Jizhong Zhao, Xiang-Yang Li, Wei Xi, Kun Zhao, Shaojie Tang, Jinsong Han
2013 arXiv   pre-print
In this work, we propose a passive crowdsourcing CSI-based indoor localization scheme, C2 IL.  ...  To address the challenges of collecting fingerprints, a crowdsourcing- based scheme is designed to gradually establish the mapping and populate the fingerprints.  ...  When there is communication, they are formally contributing to the crowdsourcing, so communication is crowdsourcing in C 2 IL.  ... 
arXiv:1307.6349v1 fatcat:2mvv5cqlzncrlh5zliafps7b2q

Communicating Is Crowdsourcing: Wi-Fi Indoor Localization with CSI-Based Speed Estimation

Zhi-Ping Jiang, Wei Xi, Xiangyang Li, Shaojie Tang, Ji-Zhong Zhao, Jin-Song Han, Kun Zhao, Zhi Wang, Bo Xiao
2014 Journal of Computer Science and Technology  
In this work, we propose a passive crowdsourcing CSI-based indoor localization scheme, C 2 IL.  ...  Despite a crowdsourcing based approach, our scheme is totally transparent to client except the only requirement is to connect to our 802.11n APs.  ...  The relatively good accuracy and simplicity of fingerprint based localization schemes has attracted massive of effort in the community.  ... 
doi:10.1007/s11390-014-1452-7 fatcat:ier6ui6xjfhsvaqplxjmbgjw6m

Enabling Privacy Preservation and Decentralization for Attribute-Based Task Assignment in Crowdsourcing

Tianqing Liang
2020 Journal of Computer and Communications  
We therefore explored an alternative design for task assignment based on the emerging decentralized blockchain technology.  ...  Crowdsourcing allows people who are endowed with certain skills to accomplish special tasks with incentive.  ...  [35] proposes a private and anonymous crowdsourcing system based on common-prefix-linkable anonymous authentication. Each task has a unique prefix.  ... 
doi:10.4236/jcc.2020.84007 fatcat:sy7dlpoyejf7dkuhmuwk7hvrue

A k-NN-Based Localization Approach for Crowdsourced Air Traffic Communication Networks

Martin Strohmeier, Ivan Martinovic, Vincent Lenders
2018 IEEE Transactions on Aerospace and Electronic Systems  
In this work, we argue that current state-of-the-art methods of aircraft localization such as multilateration are insufficient, in particular for modern crowdsourced air traffic networks with random, unplanned  ...  We propose an alternative, a grid-based localization approach using the k-Nearest Neighbor (k-NN) algorithm, to deal with the identified shortcomings.  ...  This journal version is fully rewritten, focusing on the localization part and providing extensive analysis concerning the benefits in modern crowdsourced air traffic communication sensor networks.  ... 
doi:10.1109/taes.2018.2797760 fatcat:qk26rjvjv5d4hmpo7lthextzby

IoT-B&B: Edge-Based NFV for IoT Devices with CPE Crowdsourcing

He Zhu, Changcheng Huang
2018 Wireless Communications and Mobile Computing  
Based on fog computing, crowdsourcing becomes an option as fog nodes can be updated dynamically with the participation of the third party.  ...  The security and privacy challenges were illustrated in [26] , where a general architecture was presented to model crowdsourcing networks, including crowdsourcing sensing and crowdsourcing computing.  ... 
doi:10.1155/2018/3027269 fatcat:5ojztyuozbgxpngeaxloj7tnka

Optimal Computing Resource Management Based on Utility Maximization in Mobile Crowdsourcing

Haoyu Meng, Ying Zhu, Ruilong Deng
2017 Wireless Communications and Mobile Computing  
Firstly, we analytically model the CRR and CRPs behaviors in form of carefully selected utility and cost functions, based on concepts from microeconomics.  ...  Mobile crowdsourcing, as an emerging service paradigm, enables the computing resource requestor (CRR) to outsource computation tasks to each computing resource provider (CRP).  ...  Conclusions In this paper, we propose an optimal real-time pricing strategy for computing resource management in mobile crowdsourcing, which is based on utility maximization.  ... 
doi:10.1155/2017/1494851 fatcat:mngybzj2hfh4pfk433bsakgrmu

Blockchain-Based Crowdsourcing Framework with Distributed Task Assignment and Solution Verification

Shasha Li, Xiaodong Bai, Songjie Wei, Zhili Zhou
2022 Security and Communication Networks  
We propose a blockchain-based design of the distributed secure crowdsourcing scheme for task distribution and result verification without relying on any third trusted institution.  ...  Task works are continuously assessed for reputations based on their historical behaviors.  ...  Blockchain-Based Crowdsourcing System 3.1. System Model.  ... 
doi:10.1155/2022/9464308 fatcat:aa7zhwmnv5fxlly3zn2nv55q5u
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