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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

In the pursuit of bolstering user safety, social media platforms deploy active moderation strategies, including content removal and user suspension. These measures target users engaged in discussions marked by hate speech or toxicity, often…

Social and Information Networks · Computer Science 2024-01-26 Hina Qayyum , Muhammad Ikram , Benjamin Zi Hao Zhao , Ian D. Wood , Nicolas Kourtellis , Mohamed Ali Kaafar

Hate speech remains a pressing challenge on social media, where platform moderation often fails to protect targeted users. Personal moderation tools that let users decide how content is filtered can address some of these shortcomings.…

Human-Computer Interaction · Computer Science 2026-03-03 Anna Ricarda Luther , Hendrik Heuer , Stephanie Geise , Sebastian Haunss , Andreas Breiter

This work explores the impact of moderation on users' enjoyment of conversational AI systems. While recent advancements in Large Language Models (LLMs) have led to highly capable conversational AIs that are increasingly deployed in…

Human-Computer Interaction · Computer Science 2023-04-21 Xiaoding Lu , Aleksey Korshuk , Zongyi Liu , William Beauchamp , Chai Research

Growing evidence shows that proactive content moderation supported by AI can help improve online discourse. However, we know little about designing these systems, how design impacts efficacy and user experience, and how people perceive…

Human-Computer Interaction · Computer Science 2024-01-22 Mark Warner , Angelika Strohmayer , Matthew Higgs , Husnain Rafiq , Liying Yang , Lynne Coventry

Social media users may perceive moderation decisions by the platform differently, which can lead to frustration and dropout. This study investigates users' perceived justice and fairness of online moderation decisions when they are exposed…

Human-Computer Interaction · Computer Science 2024-03-12 Jie Cai , Aashka Patel , Azadeh Naderi , Donghee Yvette Wohn

The moderation of content in many social media systems, such as Twitter and Facebook, motivated the emergence of a new social network system that promotes free speech, named Gab. Soon after that, Gab has been removed from Google Play Store…

Social and Information Networks · Computer Science 2018-07-11 Lucas Lima , Julio C. S. Reis , Philipe Melo , Fabricio Murai , Leandro Araújo , Pantelis Vikatos , Fabrício Benevenuto

This paper investigates how content moderation affects content creation in an ideologically diverse online environments. We develop a model in which users act as both creators and consumers, differing in their ideological affiliation and…

General Economics · Economics 2025-11-26 Ying Bao , Jessie Liu

Online social media has become increasingly popular in recent years due to its ease of access and ability to connect with others. One of social media's main draws is its anonymity, allowing users to share their thoughts and opinions without…

Computation and Language · Computer Science 2024-04-12 Vigneshwaran Shankaran , Rajesh Sharma

This study examines social media users' preferences for the use of platform-wide moderation in comparison to user-controlled, personalized moderation tools to regulate three categories of norm-violating content - hate speech, sexually…

Human-Computer Interaction · Computer Science 2023-02-08 Shagun Jhaver , Amy Zhang

Quantifying how individuals react to social influence is crucial for tackling collective political behavior online. While many studies of opinion in public forums focus on social feedback, they often overlook the potential for human…

Social and Information Networks · Computer Science 2024-12-10 Gabriela Juncosa , Taha Yasseri , Julia Koltai , Gerardo Iniguez

Humanity for centuries has perfected skills of interpersonal interactions and evolved patterns that enable people to detect lies and deceiving behavior of others in face-to-face settings. Unprecedented growth of people's access to mobile…

Social and Information Networks · Computer Science 2024-07-25 Mohammed Shahid Modi , James Flamino , Boleslaw K. Szymanski

Polarization is a troubling phenomenon that can lead to societal divisions and hurt the democratic process. It is therefore important to develop methods to reduce it. We propose an algorithmic solution to the problem of reducing…

Social and Information Networks · Computer Science 2017-05-19 Kiran Garimella , Gianmarco De Francisci Morales , Aristides Gionis , Michael Mathioudakis

The prevalence of harmful content on social media platforms poses significant risks to users and society, necessitating more effective and scalable content moderation strategies. Current approaches rely on human moderators, supervised…

Computation and Language · Computer Science 2025-01-27 Akash Bonagiri , Lucen Li , Rajvardhan Oak , Zeerak Babar , Magdalena Wojcieszak , Anshuman Chhabra

Social media platforms utilize Machine Learning (ML) and Artificial Intelligence (AI) powered recommendation algorithms to maximize user engagement, which can result in inadvertent exposure to harmful content. Current moderation efforts,…

Computation and Language · Computer Science 2025-05-30 Rajvardhan Oak , Muhammad Haroon , Claire Jo , Magdalena Wojcieszak , Anshuman Chhabra

Should social media platforms override a community's self-policing when it repeatedly break rules? What actions can they consider? In light of this debate, platforms have begun experimenting with softer alternatives to outright bans. We…

Social and Information Networks · Computer Science 2021-10-06 Eshwar Chandrasekharan , Shagun Jhaver , Amy Bruckman , Eric Gilbert

Commercial content moderation APIs are marketed as scalable solutions to combat online hate speech. However, the reliance on these APIs risks both silencing legitimate speech, called over-moderation, and failing to protect online platforms…

Human-Computer Interaction · Computer Science 2025-03-04 David Hartmann , Amin Oueslati , Dimitri Staufer , Lena Pohlmann , Simon Munzert , Hendrik Heuer

Platforms are increasingly relying on algorithms to curate the content within users' social media feeds. However, the growing prominence of proprietary, algorithmically curated feeds has concealed what factors influence the presentation of…

Human-Computer Interaction · Computer Science 2025-08-11 Jackie Chan , Fred Choi , Koustuv Saha , Eshwar Chandrasekharan

With the growth of online news over the past decade, empirical studies on political discourse and news consumption have focused on the phenomenon of filter bubbles and echo chambers. Yet recently, scholars have revealed limited evidence…

Computation and Language · Computer Science 2024-03-21 Xiaohan Ding , Mike Horning , Eugenia H. Rho

The Web has become the main source for news acquisition. At the same time, news discussion has become more social: users can post comments on news articles or discuss news articles on other platforms like Reddit. These features empower and…

Social and Information Networks · Computer Science 2020-05-19 Savvas Zannettou , Mai ElSherief , Elizabeth Belding , Shirin Nilizadeh , Gianluca Stringhini