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In this dataset paper, we present a three-stage process to collect Reddit comments that are removed comments by moderators of several subreddits, for violating subreddit rules and guidelines. Other than the fact that these comments were…

Social and Information Networks · Computer Science 2019-07-18 Eshwar Chandrasekharan , Eric Gilbert

Online Social Networks (OSNs) widely adopt content moderation to mitigate the spread of abusive and toxic discourse. Nonetheless, the real effectiveness of moderation interventions remains unclear due to the high cost of data collection and…

Artificial Intelligence · Computer Science 2026-04-01 Giacomo Fidone , Lucia Passaro , Riccardo Guidotti

Hate speech is a widespread and harmful form of online discourse, encompassing slurs and defamatory posts that can have serious social, psychological, and sometimes physical impacts on targeted individuals and communities. As social media…

Machine Learning · Computer Science 2025-08-08 Santosh Chapagain , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

Counterspeech has gained attention as a strategy to reduce hate speech on social media. Although previous studies suggest that counterspeech can reduce hate speech, little is known about its effects on participation in online hate…

Computers and Society · Computer Science 2026-04-13 Daniel Hickey , Matheus Schmitz , Daniel M. T. Fessler , Paul E. Smaldino , Kristina Lerman , Goran Murić , Keith Burghardt

Many people struggling with mental health issues are unable to access adequate care due to high costs and a shortage of mental health professionals, leading to a global mental health crisis. Online mental health communities can help…

Social and Information Networks · Computer Science 2021-04-26 David Wadden , Tal August , Qisheng Li , Tim Althoff

Despite regulations imposed by nations and social media platforms, e.g. (Government of India, 2021; European Parliament and Council of the European Union, 2022), inter alia, hateful content persists as a significant challenge. Existing…

Abusive language detection has become an increasingly important task as a means to tackle this type of harmful content in social media. There has been a substantial body of research developing models for determining if a social media post…

Computation and Language · Computer Science 2025-08-19 Raneem Alharthi , Rajwa Alharthi , Aiqi Jiang , Arkaitz Zubiaga

Content moderators play a key role in keeping the conversation on social media healthy. While the high volume of content they need to judge represents a bottleneck to the moderation pipeline, no studies have explored how models could…

Computation and Language · Computer Science 2024-06-07 Agostina Calabrese , Leonardo Neves , Neil Shah , Maarten W. Bos , Björn Ross , Mirella Lapata , Francesco Barbieri

The prevalence and impact of toxic discussions online have made content moderation crucial.Automated systems can play a vital role in identifying toxicity, and reducing the reliance on human moderation.Nevertheless, identifying toxic…

Artificial Intelligence · Computer Science 2023-11-02 Senjuti Dutta , Sid Mittal , Sherol Chen , Deepak Ramachandran , Ravi Rajakumar , Ian Kivlichan , Sunny Mak , Alena Butryna , Praveen Paritosh

The proliferation of social media platforms has led to an increase in the spread of hate speech, particularly targeting vulnerable communities. Unfortunately, existing methods for automatically identifying and blocking toxic language rely…

Computation and Language · Computer Science 2025-02-24 Shiza Ali , Jeremy Blackburn , Gianluca Stringhini

Toxic online content has become a major issue in today's world due to an exponential increase in the use of internet by people of different cultures and educational background. Differentiating hate speech and offensive language is a key…

Computation and Language · Computer Science 2018-09-25 Aditya Gaydhani , Vikrant Doma , Shrikant Kendre , Laxmi Bhagwat

Social media platforms have become critical spaces for discussing mental health concerns, including eating disorders. While these platforms can provide valuable support networks, they may also amplify harmful content that glorifies…

Social and Information Networks · Computer Science 2024-12-23 Kristina Lerman , Minh Duc Chu , Charles Bickham , Luca Luceri , Emilio Ferrara

Curbing online hate speech has become the need of the hour; however, a blanket ban on such activities is infeasible for several geopolitical and cultural reasons. To reduce the severity of the problem, in this paper, we introduce a novel…

Computation and Language · Computer Science 2022-06-09 Sarah Masud , Manjot Bedi , Mohammad Aflah Khan , Md Shad Akhtar , Tanmoy Chakraborty

Moral framing and sentiment can affect a variety of online and offline behaviors, including donation, environmental action, political engagement, and protest. Various computational methods in Natural Language Processing (NLP) have been used…

Despite the valuable social interactions that online media promote, these systems provide space for speech that would be potentially detrimental to different groups of people. The moderation of content imposed by many social media has…

Social and Information Networks · Computer Science 2021-08-30 Lucas Henrique Costa de Lima , Julio Reis , Philipe Melo , Fabricio Murai , Fabricio Benevenuto

The rise of online platforms has enabled covert illicit activities, including online prostitution, to pose challenges for detection and regulation. In this study, we introduce REDDIX-NET, a novel benchmark dataset specifically designed for…

Computers and Society · Computer Science 2025-05-30 MSVPJ Sathvik , Manan Roy Choudhury , Rishita Agarwal , Sathwik Narkedimilli , Vivek Gupta

This paper presents a comprehensive comparative analysis of Natural Language Processing (NLP) methods for automated toxicity detection in online gaming chats. Traditional machine learning models with embeddings, large language models (LLMs)…

Computation and Language · Computer Science 2025-10-22 Yehor Tereshchenko , Mika Hämäläinen

Toxicity on the Internet, such as hate speech, offenses towards particular users or groups of people, or the use of obscene words, is an acknowledged problem. However, there also exist other types of inappropriate messages which are usually…

Computation and Language · Computer Science 2022-03-07 Nikolay Babakov , Varvara Logacheva , Alexander Panchenko

Generative AI chatbots have proven surprisingly effective at persuading people to change their beliefs and attitudes in lab settings. However, the practical implications of these findings are not yet clear. In this work, we explore the…

Human-Computer Interaction · Computer Science 2026-01-29 Jeremy Foote , Deepak Kumar , Bedadyuti Jha , Ryan Funkhouser , Loizos Bitsikokos , Hitesh Goel , Hsuen-Chi Chiu

Social media platforms like Facebook and Reddit host thousands of user-governed online communities. These platforms sanction communities that frequently violate platform policies; however, public perceptions of such sanctions remain…

Human-Computer Interaction · Computer Science 2024-09-10 Shagun Jhaver