Big Data on electronic records of social interactions allow approaching human behaviour
and sociality from a quantitative point of view with unforeseen statistical power. Mobile …

What is the role of social interactions in the creation of price bubbles? Answering this
question requires obtaining collective behavioural traces generated by the activity of a large …

The core decomposition of networks has attracted significant attention due to its numerous
applications in real-life problems. Simply stated, the core decomposition of a network …

The emergence and popularization of online social networks suddenly made available a
large amount of data from social organization, interaction and human behavior. All this …

The books in this collection are devoted to challenging and open problems at the forefront of
modern science, including related philosophical debates. In contrast to typical research …

This study explores the connections between social and usage metrics (altmetrics) and
bibliometric indicators at the author level. It studies to what extent these indicators, gained …

The last decade has seen the rise of immense online social networks (OSNs) such as
MySpace and Facebook. In this paper we use epidemiological models to explain user …

Although the origin of the fat-tail characteristic of the degree distribution in complex networks
has been extensively researched, the underlying cause of the degree distribution …

Many powerful computing technologies rely on implicit and explicit data contributions from
the public. This dependency suggests a potential source of leverage for the public in its …

Platforms like Reddit have attracted large and vibrant communities, but the individuals in
those communities are free to migrate to other platforms at any time. History has borne this …