Users of social networking services such as Facebook often want to manage the sharing of
information and content with different groups of people based on their differing relationships …

The success in Web services goes well beyond the building of loosely-coupled,
interoperable software components. Nowadays, large-scale collaboration through social …

Social Networking Sites (SNSs) provide an online platform that is used by people to build
social networks or social relations with other people. Many users are not aware of the …

In recent years there is a vast and rapidly growing amount of multimedia content available
online. Web 2.0 and online social networks have dramatically influenced the growing …

The task of allowing people to easily synchronize contact details of acquaintances between
different devices and applications over the Internet has led to the rise of cloud-based …

The open nature of the Web, online social networks (OSNs) in particular, makes it possible
to design socialbots—automation software that controls fake accounts in a target OSN, and …

Recommender systems help users find relevant Web service based on peers' previous
experiences dealing with Web services (WSs). However, with the proliferation of WSs …

We address the problem of item recommendation in social media sharing systems. We
adopt a multi-relational framework capable to integrate different entity types available in the …

This chapter aims at boosting the network bandwidth by promoting collaborative
communications between handheld devices at the network edge by using the principle of …