Online social networks, such as Facebook, Twitter, and Wechat have become major social
tools. The users can not only keep in touch with family and friends, but also send and share …

In recent years, social networks have become important platforms for people to disseminate
information. However, we need to take effective measures such as blocking a set of links to …

Even though the widespread use of social platforms provides convenience to our daily life, it
causes some bad results at the same time. For example, misinformation and personal attack …

The process of opinion formation is inherently a network process, with user opinions in a
social network being driven to a certain average opinion. One simple and intuitive …

Spread of negative influence (N-Inf) in a networked system seems to be inevitable, eg,
epidemic spread in human networks, rumors in an online social network and computer virus …

The growing importance of social network for sharing and spreading various contents is
leading to the changes in the way of information diffusion. To what extent can social content …

Cyber-epidemics, the widespread of fake news or propaganda through social media, can
cause devastating economic and political consequences. A common countermeasure …

K-cores are maximal induced subgraphs where all vertices have degree at least k. These
dense patterns have applications in community detection, network visualization and protein …

Recently, online social networks have become major battlegrounds for political campaigns,
viral marketing, and the dissemination of news. As a consequence,''bad actors''are …

We develop algorithms to control the scope of an infection spread on a network by allocating
a fixed immunization budget to edges of the graph. We assume that the infection propagates …