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Online debates are often characterised by extreme polarisation and heated discussions among users. The presence of hate speech online is becoming increasingly problematic, making necessary the development of appropriate countermeasures. In…

Social and Information Networks · Computer Science 2021-05-31 Matteo Cinelli , Andraž Pelicon , Igor Mozetič , Walter Quattrociocchi , Petra Kralj Novak , Fabiana Zollo

Recently, social media platforms are heavily moderated to prevent the spread of online hate speech, which is usually fertile in toxic words and is directed toward an individual or a community. Owing to such heavy moderation, newer and more…

Social and Information Networks · Computer Science 2023-03-21 Punyajoy Saha , Kiran Garimella , Narla Komal Kalyan , Saurabh Kumar Pandey , Pauras Mangesh Meher , Binny Mathew , Animesh Mukherjee

User-generated content online is shaped by many factors, including endogenous elements such as platform affordances and norms, as well as exogenous elements, in particular significant events. These impact what users say, how they say it,…

Social and Information Networks · Computer Science 2018-04-23 Alexandra Olteanu , Carlos Castillo , Jeremy Boy , Kush R. Varshney

Previous research has documented the existence of both online echo chambers and hostile intergroup interactions. In this paper, we explore the relationship between these two phenomena by studying the activity of 5.97M Reddit users and 421M…

User-generated replies to hate speech are promising means to combat hatred, but questions about whether they can stop incivility in follow-up conversations linger. We argue that effective replies stop incivility from emerging in follow-up…

Computers and Society · Computer Science 2023-12-11 Xinchen Yu , Eduardo Blanco , Lingzi Hong

Many online hate groups exist to disparage others based on race, gender identity, sex, or other characteristics. The accessibility of these communities allows users to join multiple types of hate groups (e.g., a racist community and a…

Social and Information Networks · Computer Science 2024-11-22 Daniel Hickey , Daniel M. T. Fessler , Kristina Lerman , Keith Burghardt

Online hate messaging is a pervasive issue plaguing the well-being of social media users. This research empirically investigates a novel theory positing that online hate may be driven primarily by the pursuit of social approval rather than…

Social and Information Networks · Computer Science 2024-03-01 Julie Jiang , Luca Luceri , Joseph B. Walther , Emilio Ferrara

Automatic counterspeech generation methods have been developed to assist efforts in combating hate speech. Existing research focuses on generating counterspeech with linguistic attributes such as being polite, informative, and…

Computation and Language · Computer Science 2024-10-02 Lingzi Hong , Pengcheng Luo , Eduardo Blanco , Xiaoying Song

Counterspeech offers a non-repressive approach to moderate hate speech in online communities. Research has examined how counterspeech chatbots restrain hate speakers and support targets, but their impact on bystanders remains unclear.…

Human-Computer Interaction · Computer Science 2026-04-23 Mengyao Wang , Shuai Ma , Nuo Li , Peng Zhang , Chenxin Li , Ning Gu , Tun Lu

The rise of misinformation and fake news in online political discourse poses significant challenges to democratic processes and public engagement. While debunking efforts aim to counteract misinformation and foster fact-based dialogue,…

Computers and Society · Computer Science 2025-02-03 Wentao Xu , Wenlu Fan , Shiqian Lu , Tenghao Li , Bin Wang

Social media and the internet have become an integral part of how people spread and consume information. Over a period of time, social media evolved dramatically, and almost half of the population is using social media to express their…

Computation and Language · Computer Science 2021-08-03 Anjum , Rahul Katarya

Hate speech is increasingly prevalent online, and its negative outcomes include increased prejudice, extremism, and even offline hate crime. Automatic detection of online hate speech can help us to better understand these impacts. However,…

Computation and Language · Computer Science 2021-02-10 John D Gallacher

Hate speech on social media threatens the mental and physical well-being of individuals and contributes to real-world violence. Resharing is an important driver behind the spread of hate speech on social media. Yet, little is known about…

Social and Information Networks · Computer Science 2025-01-28 Dominique Geissler , Abdurahman Maarouf , Stefan Feuerriegel

An increasing amount of attention has been devoted to the problem of "toxic" or antisocial behavior on social media. In this paper we analyze such behavior at very large scales: we analyze toxicity over a 14-year time span on nearly 500…

Social and Information Networks · Computer Science 2025-09-23 Katy Blumer , Jon Kleinberg

Online hate speech can harmfully impact individuals and groups, specifically on non-moderated platforms such as 4chan where users can post anonymous content. This work focuses on analysing and measuring the prevalence of online hate on…

Computation and Language · Computer Science 2025-04-02 Adrian Bermudez-Villalva , Maryam Mehrnezhad , Ehsan Toreini

As more people flock to social media to connect with others and form virtual communities, it is important to research how members of these groups interact to understand human behavior on the Web. In response to an increase in hate speech,…

Social and Information Networks · Computer Science 2021-01-07 Pamela Bilo Thomas , Daniel Riehm , Maria Glenski , Tim Weninger

In this work, we examine the influence of unreliable information on political incivility and toxicity on the social media platform Reddit. We show that comments on articles from unreliable news websites are posted more often in…

Social and Information Networks · Computer Science 2024-11-01 Hans W. A. Hanley , Zakir Durumeric

This paper investigates the use of machine learning models for the classification of unhealthy online conversations containing one or more forms of subtler abuse, such as hostility, sarcasm, and generalization. We leveraged a public dataset…

Computation and Language · Computer Science 2022-01-28 Shlok Gilda , Mirela Silva , Luiz Giovanini , Daniela Oliveira

Offensive or antagonistic language targeted at individuals and social groups based on their personal characteristics (also known as cyber hate speech or cyberhate) has been frequently posted and widely circulated viathe World Wide Web. This…

Computation and Language · Computer Science 2018-03-09 Wafa Alorainy , Pete Burnap , Han Liu , Matthew Williams

Hate speech is a form of online harassment that involves the use of abusive language, and it is commonly seen in social media posts. This sort of harassment mainly focuses on specific group characteristics such as religion, gender,…

Computation and Language · Computer Science 2022-06-10 Georgios K. Pitsilis