The deluge of digital information in our daily life—from user-generated content, such as
microblogs and scientific papers, to online business, such as viral marketing and advertising …

On many social networking web sites such as Facebook and Twitter, resharing or reposting
functionality allows users to share others' content with their own friends or followers. As …

How does network structure affect diffusion? Recent studies suggest that the answer
depends on the type of contagion. Complex contagions, unlike infectious diseases (simple …

Online social media remarkably facilitates the production and delivery of information,
intensifying the competition among vast information for users' attention and highlighting the …

Effectively predicting the size of an information cascade is critical for many applications
spanning from identifying viral marketing and fake news to precise recommendation and …

Many real world, complex phenomena have underlying structures of evolving networks
where nodes and links are added and removed over time. A central scientific challenge is …

In online social media systems users are not only posting, consuming, and resharing
content, but also creating new and destroying existing connections in the underlying social …

Background In public health surveillance, measuring how information enters and spreads
through online communities may help us understand geographical variation in decision …

Online socio-technical systems can be studied as proxy of the real world to investigate
human behavior and social interactions at scale. Here we focus on Instagram, a media …

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 …