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Nowadays, Social Networks have become an essential communication tools producing a large amount of information about their users and their interactions, which can be analysed with Data Mining methods. In the last years, Social Networks are being used to radicalise people. In this paper, we study the performance of a set of indicators and their respective metrics, devoted to assess the risk of radicalisation of a precise individual on three different datasets. Keyword-based metrics, even though depending on the written language, performs well when measuring frustration, perception of discrimination as well as declaration of negative and positive ideas about Western society and Jihadism, respectively. However, metrics based on frequent habits such as writing ellipses are not well enough to characterise a user in risk of radicalisation. The paper presents a detailed description of both, the set of indicators used to assess the radicalisation in Social Networks and the set of datasets used to evaluate them. Finally, an experimental study over these datasets are carried out to evaluate the performance of the metrics considered.

Radicalization, which is influenced by social, cognitive, and economic variables, is the mental process that justifies violence or violent behavior. Since the invention of the Internet radical organizations have modified their tactics in order to fit the new environment. The Internet has evolved into more than simply a platform for extremist activity; it has also taken the place of the main operating environment and arena where political beliefs are developed, assaults are planned, and exceptional social movements start to take shape. Members of the group meet up online to discuss their religious beliefs and utilize these forums to broaden the scope of action at the individual and organizational levels in order to disseminate their political ideology, hire employees, and organize assaults. The conceptual framework, individual and group dynamic reasons of radicalization, metaphors for describing radicalization, radicalization driven by religion, internet radicalization, and case studies are highlighted in the current study.

This Article analyzes intermediaries’ civil liability for terror attacks under the anti-terror statutes and other doctrines in tort law. It aims to contribute to the literature in several ways. First, it outlines the way intermediaries aid terrorist activities either willingly or unwittingly. By identifying the role online intermediaries play in terrorist activities, one may lay down the first step towards creating a legal policy that would mitigate the harm caused by terrorists’ incitement over the internet. Second, this Article outlines a minimum standard of civil liability that should be imposed on intermediaries for speech made by terrorists on their platforms. Third, it highlights the contradictions between intermediaries’ policies regarding harmful content and the technologies that create personalized experiences for users, which can sometimes recommend unlawful content and connections.

VOX-Pol Blog Post.

VOX-Pol Blog post.