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Analyzing the impact of storage shortage on data availability in decentralized online social networks
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Fu, Songling, He, Ligang, Liao, Xiangke, Li, Kenli and Huang, Chenlin (2014) Analyzing the impact of storage shortage on data availability in decentralized online social networks. The scientific world journal, Volume 2014 . pp. 1-14. Article number 826145. doi:10.1155/2014/826145 ISSN 1537-744X.
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Official URL: http://dx.doi.org/10.1155/2014/826145
Abstract
Maintaining data availability is one of the biggest challenges in decentralized online social networks (DOSNs). The existing work often assumes that the friends of a user can always contribute to the sufficient storage capacity to store all data. However, this assumption is not always true in today’s online social networks (OSNs) due to the fact that nowadays the users often use the smart mobile devices to access the OSNs. The limitation of the storage capacity in mobile devices may jeopardize the data availability. Therefore, it is desired to know the relation between the storage capacity contributed by the OSN users and the level of data availability that the OSNs can achieve. This paper addresses this issue. In this paper, the data availability model over storage capacity is established. Further, a novel method is proposed to predict the data availability on the fly. Extensive simulation experiments have been conducted to evaluate the effectiveness of the data availability model and the on-the-fly prediction.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||||||
Library of Congress Subject Headings (LCSH): | Information retrieval, Online social networks | ||||||||
Journal or Publication Title: | The scientific world journal | ||||||||
Publisher: | Hindawi Publishing Corporation | ||||||||
ISSN: | 1537-744X | ||||||||
Official Date: | 4 May 2014 | ||||||||
Dates: |
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Volume: | Volume 2014 | ||||||||
Number of Pages: | 14 | ||||||||
Page Range: | pp. 1-14 | ||||||||
Article Number: | Article number 826145 | ||||||||
DOI: | 10.1155/2014/826145 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 28 December 2015 | ||||||||
Date of first compliant Open Access: | 28 December 2015 | ||||||||
Funder: | Important National Science & Technology Specific Projects of China (HGJ), China Open Fund Project | ||||||||
Grant number: | 2013ZX01040-002 (HGJ), KJ-13- 105 | ||||||||
Embodied As: | 1 |
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