We model the evolution of infrastructure networks as a preferential attachment process. We assume that geographical distance and country borders provide barriers to link formation in infrastructure networks. The model is validated against empirical data on the European Internet infrastructure...

Network politics is examined in the context of the Arab Spring. Network politics refers to politics and networks. These networks include the Internet, private networks, cellular networks, telephone networks, radio networks, television networks, etc. Network politics includes the applications of...

The Internet has enabled new forms of large-scale collaboration. Voluntary contributions by large numbers of users and co-producers lead to new forms of production and innovation, as seen in Wikipedia, open source software development, in social networks or on user-generated content platforms as...

Bloggers devote significant time not only producing content for others to read, watch or listen to, but also paying attention to and engaging in interactions with other bloggers. We hope to throw light not only on the factors that gain bloggers significant readership and lively interactions with...

This paper examines how socio-economic characteristics, changes in the technology of political communication and their interactions affect the sentiments of the electorate and favor the spread of populist ideas in Europe. Using both European-wide and national surveys we find a significant...

Physical inactivity increases the risk of developing several highly prevalent diseases (cardiovascular disease, diabetes, hypertension, some cancers, and obesity). As large proportions of the population are not meeting physical activity guidelines, increasing physical activity (PA) is a public...