Search Results for author: Helen Margetts

Found 8 papers, 5 papers with code

An influencer-based approach to understanding radical right viral tweets

no code implementations15 Sep 2021 Laila Sprejer, Helen Margetts, Kleber Oliveira, David O'Sullivan, Bertie Vidgen

We show that it is crucial to account for the influencer-level structure, and find evidence of the importance of both influencer- and content-level factors, including the number of followers each influencer has, the type of content (original posts, quotes and replies), the length and toxicity of content, and whether influencers request retweets.

Introducing CAD: the Contextual Abuse Dataset

1 code implementation NAACL 2021 Bertie Vidgen, Dong Nguyen, Helen Margetts, Patricia Rossini, Rebekah Tromble

Online abuse can inflict harm on users and communities, making online spaces unsafe and toxic.

Detecting East Asian Prejudice on Social Media

1 code implementation EMNLP (ALW) 2020 Bertie Vidgen, Austin Botelho, David Broniatowski, Ella Guest, Matthew Hall, Helen Margetts, Rebekah Tromble, Zeerak Waseem, Scott Hale

The outbreak of COVID-19 has transformed societies across the world as governments tackle the health, economic and social costs of the pandemic.

Islamophobes are not all the same! A study of far right actors on Twitter

no code implementations13 Oct 2019 Bertie Vidgen, Taha Yasseri, Helen Margetts

Far-right actors are often purveyors of Islamophobic hate speech online, using social media to spread divisive and prejudiced messages which can stir up intergroup tensions and conflict.

Social and Information Networks Computers and Society Physics and Society Applications

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