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The Flow of Digital News in a Network of Sources, Authorities, and Hubs

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This article presents an analysis of the flow of information in a network of online news sites. Social network theory and research on hyperlinked networks of Web pages are used to develop a model of information flow among Web sites. Kleinberg's authority‐hub model is extended by introducing sources of information in the network. Significant support was found for a Source–Authority–Hub model, which shows the source, directionality, routing, and destination of news information flow through a network of authorities and hubs. This model demonstrates the ability of key Web sites to control the flow of news and information. Applications of the model to over‐time data have the potential to predict future changes in the online news industry.
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Document Type: Research Article

Affiliations: 1: School of Communication and Information, Rutgers University, New Brunswick, NJ 08901, USA 2: Annenberg School for Communication and Journalism, University of Southern California, Los Angeles, CA 90089, USA

Publication date: December 1, 2011

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