How does a video go viral on Twitter?
There are various parameters that determine whether a video will go viral or not. The content plays a role of course but who uploads the video is also important. What do networks have to do with a video going viral?
Vaccination and the friendship paradox!
On social media it seems like everyone around me is more popular than what I am. It is a mathematical statement: the friendship paradox!
Networks in breakfast
My favorite muesli contains cranberries, raisins and oats. But what do other people like to eat in their muesli? A muesli network gives the answer!
Degrees in graphs IV: degrees in large real-world networks
How are elements in real-world networks connected? That is the question we aim to answer in this post. Most real-world networks turn out to be extremely inhomogeneous.
Word usages reflect network community structure on Twitter
Networks can be found everywhere, and are also present in social media platforms such as Twitter. Generally, groups exist that send a lot of tweets to each other and far fewer tweets to users outside their group. In this article, the research on word usages in Twitter social groups, also called communities, will be discussed in more detail.
Why the whole world has seen Gangnam style
Have you ever wondered what makes a video go viral? Or how it is possible that they can spread so quickly? Maybe you didn't (that's fine), but many economists, marketeers, and even mathematicians have wondered.
Predicting gang violence with networks
Chicago is famous for three things: art, architecture, and gang violence. The Chicago Police Department is trying all sorts things to get rid of that third claim to fame. One idea that they have been working with is “Predictive Policing”, read more about it in this article.
Mapping militants with networks
A group of researchers at Stanford University took the many narratives of some of the biggest players in recent conflicts, and turned those into networks of time-lines.
Small worlds and six degrees of separation
Social networks are remarkably small, in the sense that you can hop between any two individuals in them using only a few hops. This video explains what such small-world networks are, why social networks are so small.
Influence in complex networks
Friends influence each other in their opinion of many aspects of life. In this video we describe how the level of connectedness in a social network relates to the extent in which individuals in it influence each other.