Social Media

The paper describes a recently-created Twitter corpus of about 6,000 tweets, annotated for hate speech against immigrants, and developed to be a reference dataset for an automatic system of hate speech monitoring. The annotation scheme was therefore specifically designed to account for the multiplicity of factors that can contribute to the definition of a hate ...

Social media systems allow Internet users a congenial platform to freely express their thoughts and opinions. Although this property represents incredible and unique communication opportunities, it also brings along important challenges. Online hate speech is an archetypal example of such challenges. Despite its magnitude and scale, there is a significant gap in understanding the nature ...

Common approaches to text categorization essentially rely either on n-gram counts or on word embeddings. This presents important difficulties in highly dynamic or quickly-interacting environments, where the appearance of new words and/or varied misspellings is the norm. A paradigmatic example of this situation is abusive online behavior, with social networks and media platforms struggling to ...

The briefing highlights how through its limited content moderation policies Telegram has become a safe space for white supremacists to share and discuss a range of explicit extremist material. Furthermore, it shows that through the many of these Telegram communities have become permissive environments where overt calls for violence and support for terrorism is widespread. ...

This study looks at how terror attacks are rendered discursively meaningful on social media through the concurrent use and reiteration of terror hashtags, which were created following previous incidents of terror. The article focuses on 12 terror attacks in Europe in 2015-2017 and their relating hashtags on Twitter, to see how various combinations of these ...

This report represents the interim findings of a two-year study designed to increase understanding of the social media footprint of right-wing extremism (RWE) in Canada. This work is part of a larger project designed to understand RWE in Canada led by Ontario Tech University (OTU), in partnership with Michigan State University and the University of ...

Propaganda is a common element in many, if not all, terrorist incidents. Objectives are usually to instil fear in the target population but may also include winning approval from associates and inspiring new adherents. The advent of social media has greatly expanded opportunities for achieving these objectives. The attacks on worshipers in two mosques in ...

We present a machine learning framework that leverages a mixture of metadata, network, and temporal features to detect extremist users, and predict content adopters and interaction reciprocity in social media. We exploit a unique dataset containing millions of tweets generated by more than 25 thousand users who have been manually identified, reported, and suspended by ...

• In this report, we show how recent terror attacks in the UK have been successfully exploited by anti-Muslim activists over social media, to increase their reach and grow their audiences. • Monitoring key anti-Muslim social media accounts and their networks, we show how even small events are amplified through an international network of activists. ...

This revised edition of Bookmarks reflects the end of the coordination of the youth campaign by the Council Europe. The campaign may be officially over, but the education and awareness-raising to counter hate speech and promote human rights values remain an urgent task for young people of all ages. The work of the Council of ...