Social and information networks undermine the real relationship between the individuals
(ego) and the friends (alters) they are connected with on social media. The structure of …

Users in online social networks play a variety of social roles and statuses. For example,
users in Twitter can be represented as advertiser, content contributor, information receiver …

Ego networks models describe the social relationships of an individual (ego) with its social
peers (alters). The structural properties of ego networks are known to determine many …

Social-network analysis generally helps researchers understand how groups of people
interact. In this article the author uses small-scale egocentric social networks, based on …

In the last few years, Online Social Networks (OSNs) attracted the interest of a large number
of researchers, thanks to their central role in the society. Through the analysis of OSNs …

The widespread use of online social networks, such as Facebook and Twitter, is generating
a growing amount of accessible data concerning social relationships. The aim of this work is …

Results about offline social networks demonstrated that the social relationships that an
individual (ego) maintains with other people (alters) can be organised into different groups …

Online Social Networks: Human Cognitive Constraints in Facebook and Twitter provides
new insights into the structural properties of personal online social networks and the …

User attributes, such as occupation, education, and location, are important for many
applications. In this paper, we study the problem of profiling user attributes in social network …

We study online social networks in which relationships can be either positive (indicating
relations such as friendship) or negative (indicating relations such as opposition or …