Link-prediction to tackle the boundary specification problem in social network surveys

Tobias Jordan, Oto Costa Pinho Alves, Philippe De Wilde and Fernando Buarque de Lima-Neto

PLOS ONE, 2017, vol. 12, issue 4, 1-27

Abstract: Diffusion processes in social networks often cause the emergence of global phenomena from individual behavior within a society. The study of those global phenomena and the simulation of those diffusion processes frequently require a good model of the global network. However, survey data and data from online sources are often restricted to single social groups or features, such as age groups, single schools, companies, or interest groups. Hence, a modeling approach is required that extrapolates the locally restricted data to a global network model. We tackle this Missing Data Problem using Link-Prediction techniques from social network research, network generation techniques from the area of Social Simulation, as well as a combination of both. We found that techniques employing less information may be more adequate to solve this problem, especially when data granularity is an issue. We validated the network models created with our techniques on a number of real-world networks, investigating degree distributions as well as the likelihood of links given the geographical distance between two nodes.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0176094

DOI: 10.1371/journal.pone.0176094

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