Exploiting temporal and spatial regularities for content dissemination in opportunistic social network
Li, Zhiyuan (Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks)
Bi, Junlei (Jiangsu University. School of Computer Science and Communication Engineering)
Borrego Iglesias, Carlos (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)

Date:	2019
Abstract:	Recently, content dissemination has become more and more important for opportunistic social networks. The challenges of opportunistic content dissemination result from random movement of nodes and uncertain positions of a destination, which seriously affect the efficiency of content dissemination. In this paper, we firstly construct time-varying interest communities based on the temporal and spatial regularities of users. Next, we design a content dissemination algorithm on the basis of time-varying interest communities. Our proposed content dissemination algorithm can run in O(nlogn) time. Finally, the comparisons between the proposed content dissemination algorithm and state-of-the-art content dissemination algorithms show that our proposed content dissemination algorithm can (a) keep high query success rate, (b) reduce the average query latency, (c) reduce the hop count of a query, and (d) maintain low system overhead.
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	Content dissemination ; Hop count ; Interest communities ; Query latency ; Query success rates ; State of the art ; Temporal and spatial ; Time varying
Published in:	Wireless Communications and Mobile Computing, Vol. 2019 (March 2019) , art. 3173152, ISSN 1530-8677

DOI: 10.1155/2019/3173152

17 p, 2.8 MB

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