Online social network analysis has attracted great attention with a vast number of users
sharing information and availability of APIs that help to crawl online social network data. In …

Abstract Knowledge about online child sexual exploitation (CSE) offenders mostly remains
limited to offender populations known by the criminal justice system. Because of its hidden …

In an online community, users can interact with fellow community members by voluntarily
contributing to existing discussion threads or by starting new threads. In practice, however …

Abstract Decentralized Online Social Networks (DOSNs) represent a growing trend in the
social media landscape, as opposed to the well-known centralized peers, which are often in …

Objective: To examine the extent to which food and beverage brands exhibit personalities
on Twitter, quantify Twitter users' engagement with posts displaying personality features and …

This article seeks to understand why so little is known about the nature and extent of 'fake or
spam accounts' across the leading social media companies, why this lack of knowledge is …

Darkweb fora dedicated to the illegal exchange of child sexual exploitation material (CSEM)
continue to thrive. Profiling forum members based on their communication patterns will …

In this paper we present a preliminary work concerning the definition of a novel data model
for Multimedia Social Networks (MSNs), ie networks that combine information on users …

Research on influence maximization ofter has to cope with marketing needs relating to the
propagation of information towards specific users. However, little attention has been paid to …

The massive presence of silent members in online communities, the so-called lurkers, has
long attracted the attention of researchers in social science, cognitive psychology, and …