Today, more and more people have their virtual identities on the Web. It is common that
people are users of more than one social network and also their friends may be registered …

With the growing popularity and usage of online social media services, people now have
accounts (some times several) on multiple and diverse services like Facebook, Linked In …

Inter-social networks operations and functionalities are required in several scenarios (data
integration, data enrichment, information retrieval, etc.). To achieve this, matching user …

An interesting problem in online social networks is the identification of user characteristics
and the analysis of how these are reflected in the graph structure evolution. The basis of …

In recent years, Online Social Networks (OSNs) have essentially become an integral part of
our daily lives. There are hundreds of OSNs, each with its own focus and offers for particular …

Profiles have become a common mechanism for presenting one's identity online. With the
popularity of online social networking services such as Friendster. com, Profiles have been …

The emergence of social computing enables users to intersect social behaviour with
computing systems and to create social conventions as well as social contexts through the …

Social networking is one of the most popular Internet activities, with millions of users from
around the world. The time spent on sites like Facebook or LinkedIn is constantly increasing …

The first task any individual faces after joining an online social network (OSN) is locating
friends that are present on that particular site. Most OSNs offer some variation of a tool that …

User profiling is a fundamental task in Web personalization. Fuzzy clustering is a valid
approach to derive user profiles by capturing similar user interests from Web usage data …