The use of online social networks has made significant progress in recent years as the use
of the Internet has become widespread worldwide as the technological infrastructure and the …

Over the last few years, online social networks (OSNs), such as Facebook, Twitter and
Tuenti, have experienced exponential growth in both profile registrations and social …

Recent technologies, such as IoT, social networks, cloud computing, and data analytics,
make today possible to collect huge amounts of data. However, for data to be used to their …

Fake accounts are a preferred means for malicious users of online social networks to send
spam, commit fraud, or otherwise abuse the system. A single malicious actor may create …

Online social networks (OSNs) have experienced tremendous growth in recent years and
become a de facto portal for hundreds of millions of Internet users. These OSNs offer …

Social networks have become popular due to the ability to connect people around the world
and share videos, photos, and communications. One of the security challenges in these …

On-line Social Networks (OSNs) are increasingly influencing the way people communicate
with each other and share personal, professional and political information. Like the …

As organizations increasingly rely on professionally oriented networks such as LinkedIn (the
largest such social network) for building business connections, there is increasing value in …

Social media (SM) data provides a vast record of humanity's everyday thoughts, feelings,
and actions at a resolution previously unimaginable. Because user behavior on SM is a …

In Online Social Networks (OSNs), the audience size commanded by an organization or an
individual is a critical measure of that entity's popularity. This measure has important …