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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

From a computer science perspective, addressing on-line hate speech is a challenging task that is attracting the attention of both industry (mainly social media platform owners) and academia. In this chapter, we provide an overview of…

Computers and Society · Computer Science 2021-05-18 Ivan Srba , Gabriele Lenzini , Matus Pikuliak , Samuel Pecar

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

Hate speech and misinformation frequently co-occur online, amplifying prejudice and polarization. Given their scale, using Large Language Models (LLMs) to assist expert counterspeech (CS) writing has gained interest, yet prior work has…

Computation and Language · Computer Science 2026-05-22 Genoveffa Martone , Helena Bonaldi , Marco Guerini

Online social platforms are beset with hateful speech - content that expresses hatred for a person or group of people. Such content can frighten, intimidate, or silence platform users, and some of it can inspire other users to commit…

Computation and Language · Computer Science 2017-10-02 Haji Mohammad Saleem , Kelly P Dillon , Susan Benesch , Derek Ruths

The spread of hate speech on social media space is currently a serious issue. The undemanding access to the enormous amount of information being generated on these platforms has led people to post and react with toxic content that…

Computation and Language · Computer Science 2022-09-13 Abhishek Velankar , Hrushikesh Patil , Raviraj Joshi

Hate speech (HS) erodes the inclusiveness of online users and propagates negativity and division. Counterspeech has been recognized as a way to mitigate the harmful consequences. While some research has investigated the impact of…

Computation and Language · Computer Science 2025-02-17 Xiaoying Song , Sharon Lisseth Perez , Xinchen Yu , Eduardo Blanco , Lingzi Hong

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

Hate speech has become pervasive in today's digital age. Although there has been considerable research to detect hate speech or generate counter speech to combat hateful views, these approaches still cannot completely eliminate the…

Computation and Language · Computer Science 2023-10-24 Vibhor Agarwal , Yu Chen , Nishanth Sastry

The phenomenal growth on the internet has helped in empowering individual's expressions, but the misuse of freedom of expression has also led to the increase of various cyber crimes and anti-social activities. Hate speech is one such issue…

Computation and Language · Computer Science 2020-06-01 Prashant Kapil , Asif Ekbal , Dipankar Das

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.…

Social and Information Networks · Computer Science 2016-03-25 Leandro Silva , Mainack Mondal , Denzil Correa , Fabricio Benevenuto , Ingmar Weber

Counter-speech generation is at the core of many expert activities, such as fact-checking and hate speech, to counter harmful content. Yet, existing work treats counter-speech generation as pure text generation task, mainly based on Large…

Computation and Language · Computer Science 2025-10-15 Greta Damo , Elena Cabrio , Serena Villata

Countermeasures to effectively fight the ever increasing hate speech online without blocking freedom of speech is of great social interest. Natural Language Generation (NLG), is uniquely capable of developing scalable solutions. However,…

Computation and Language · Computer Science 2021-06-04 Wanzheng Zhu , Suma Bhat

Counterspeech, i.e. the practice of responding to online hate speech, has gained traction in NLP as a promising intervention. While early work emphasised collaboration with non-governmental organisation stakeholders, recent research trends…

Computation and Language · Computer Science 2025-08-07 Tanvi Dinkar , Aiqi Jiang , Simona Frenda , Poppy Gerrard-Abbott , Nancie Gunson , Gavin Abercrombie , Ioannis Konstas

While social media has become an empowering agent to individual voices and freedom of expression, it also facilitates anti-social behaviors including online harassment, cyberbullying, and hate speech. In this paper, we present the first…

Social and Information Networks · Computer Science 2018-04-13 Mai ElSherief , Shirin Nilizadeh , Dana Nguyen , Giovanni Vigna , Elizabeth Belding

Recently, many studies have tried to create generation models to assist counter speakers by providing counterspeech suggestions for combating the explosive proliferation of online hate. However, since these suggestions are from a vanilla…

Computation and Language · Computer Science 2022-05-10 Punyajoy Saha , Kanishk Singh , Adarsh Kumar , Binny Mathew , Animesh Mukherjee

The goal of hate speech detection is to filter negative online content aiming at certain groups of people. Due to the easy accessibility of social media platforms it is crucial to protect everyone which requires building hate speech…

Computation and Language · Computer Science 2022-01-19 Irina Bigoulaeva , Viktor Hangya , Iryna Gurevych , Alexander Fraser

Counterspeech has proven to be a powerful tool to combat hate speech online. Previous studies have focused on generating counterspeech conditioned only on specific intents (single attributed). However, a holistic approach considering…

Computation and Language · Computer Science 2025-06-03 Aswini Kumar , Anil Bandhakavi , Tanmoy Chakraborty

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

Countering online hate speech is a critical yet challenging task, but one which can be aided by the use of Natural Language Processing (NLP) techniques. Previous research has primarily focused on the development of NLP methods to…

Computation and Language · Computer Science 2019-09-11 Jing Qian , Anna Bethke , Yinyin Liu , Elizabeth Belding , William Yang Wang