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. 2017 Jun 12;7:3268. doi: 10.1038/s41598-017-03379-4

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Basic results of BA network. (a) The error distribution of estimated average degree. (b) The average of estimated degree distributions and the real degree distribution. (c) The cumulative degree distribution obtained from the estimated degree distribution of one simulation. In this simulation, the value of k _cut is 11. (d) Reduced prevalence ρ _f/ρ ₀ from simulations of the SIS model on the BA network with random strategy, acquaintance strategy, targeted strategy and RDS strategy, at a fixed spreading rate λ = 0.25. The prevalence is averaged over 100 simulations.