In online social media networks, individuals often have hundreds or even thousands of
connections, which link these users not only to friends, associates, and colleagues, but also …

To detect and study cohesive subgroups of actors is a main objective in social network
analysis. What are the respective relations inside such groups and what separates them …

This thesis tackles a series of phenomena across diverse fields from the point of view of
optimization. The problems studied often bring together diverse conflicting constraints that …

Community detection in online social networks is typically based on the analysis of the
explicit connections between users, such as" friends" on Facebook and" followers" on …

With the massive proliferation of online applications and cloud resources, there is a
tremendous hike in usage of social networking platforms. Right from entrepreneur, players …

Community detection in online social networks is typically based on the analysis of the
explicit connections between users, such as “friends” on Facebook and “followers” on …

Different strategies have been considered to extract information from social media about
how similarly people react to the same news or event. In this context, a powerful method is …