Social-Network-Assisted Worker Recruitment in Mobile Crowd Sensing

Wang, Jiangtao and Wang, Feng and Wang, Yasha and Zhang, Daqing and Wang, Leye and Qiu, Zhaopeng (2019) Social-Network-Assisted Worker Recruitment in Mobile Crowd Sensing. IEEE Transactions on Mobile Computing, 18 (7). pp. 1661-1673. ISSN 1536-1233

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Abstract

Worker recruitment is a crucial research problem in Mobile Crowd Sensing (MCS). While previous studies rely on a specified platform with a pre-assumed large user pool, this paper leverages the influence propagation on the social network to assist the MCS worker recruitment. We first select a subset of users on the social network as initial seeds and push MCS tasks to them. Then, influenced users who accept tasks are recruited as workers, and the ultimate goal is to maximize the coverage. Specifically, to select a near-optimal set of seeds, we propose two algorithms, named Basic-Selector and Fast-Selector, respectively. Basic-Selector adopts an iterative greedy process based on the predicted mobility, which has good performance but suffers from inefficiency concerns. To accelerate the selection, Fast-Selector is proposed, which is based on the interdependency of geographical positions among friends. Empirical studies on two real-world datasets verify that Fast-Selector achieves higher coverage than baseline methods under various settings, meanwhile, it is much more efficient than Basic-Selector while only sacrificing a slight fraction of the coverage.

Item Type:
Journal Article
Journal or Publication Title:
IEEE Transactions on Mobile Computing
Additional Information:
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Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2208
Subjects:
ID Code:
134562
Deposited By:
Deposited On:
22 Jun 2019 09:13
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Sep 2020 04:34