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Political debate nowadays takes place mainly on online social media, with election periods amplifying ideological engagement. Reddit is generally considered more resistant to polarization and echo chamber effects than platforms like Twitter…

Physics and Society · Physics 2025-11-04 Daniele Cirulli , Antonio Desiderio , Giulio Cimini , Fabio Saracco

The prevalence of distressing content on social media raises concerns about users' mental well-being, prompting the use of trigger warnings (TW) and content warnings (CW). However, inconsistent implementation of TW/CW across platforms and…

Human-Computer Interaction · Computer Science 2025-08-11 Xinyi Zhang , Muskan Gupta , Emily Altland , Sang Won Lee

When people have the freedom to create and post content on the internet, particularly anonymously, they do not always respect the rules and regulations of the websites on which they post, leaving other unsuspecting users vulnerable to…

Human-Computer Interaction · Computer Science 2023-05-17 Christine L. Cook , Jie Cai , Donghee Yvette Wohn

A widespread moderation strategy by online news platforms is to feature what the platform deems high quality comments, usually called editor picks or featured comments. In this paper, we compare online discussions of news articles in which…

Computation and Language · Computer Science 2024-12-04 Cedric Waterschoot , Ernst van den Hemel , Antal van den Bosch

Search engines traditionally complement online content platforms by directing users seeking information to external websites. The emergence of generative AI search tools that summarize answers directly on the results page may disrupt this…

Information Retrieval · Computer Science 2026-05-21 Peibo Zhang , Ruomeng Cui , Dennis J. Zhang

Toxic language, such as hate speech, can deter users from participating in online communities and enjoying popular platforms. Previous approaches to detecting toxic language and norm violations have been primarily concerned with…

Computation and Language · Computer Science 2023-10-10 Jihyung Moon , Dong-Ho Lee , Hyundong Cho , Woojeong Jin , Chan Young Park , Minwoo Kim , Jonathan May , Jay Pujara , Sungjoon Park

Hate speech remains a persistent and unresolved challenge in online platforms. Content moderators, working on the front lines to review user-generated content and shield viewers from hate speech, often find themselves unprotected from the…

Human-Computer Interaction · Computer Science 2025-08-04 Subin Park , Jeonghyun Kim , Jeanne Choi , Joseph Seering , Uichin Lee , Sung-Ju Lee

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

Many social media platforms allow content creators to pin user comments in response to their content. Once pinned, a comment remains fixed at the top of the comments section, regardless of subsequent activity or the selected sorting order.…

Human-Computer Interaction · Computer Science 2025-05-22 Yunhee Shim , Shagun Jhaver

The abstract outlines the problem of toxic comments on social media platforms, where individuals use disrespectful, abusive, and unreasonable language that can drive users away from discussions. This behavior is referred to as anti-social…

Machine Learning · Computer Science 2023-04-17 K. Poojitha , A. Sai Charish , M. Arun Kuamr Reddy , S. Ayyasamy

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

In recent years, Online Social Networks have become an important medium for people who suffer from mental disorders to share moments of hardship, and receive emotional and informational support. In this work, we analyze how discussions in…

Machine Learning · Computer Science 2021-07-28 Bárbara Silveira , Henrique S. Silva , Fabricio Murai , Ana Paula Couto da Silva

To meet the demands of content moderation, online platforms have resorted to automated systems. Newer forms of real-time engagement($\textit{e.g.}$, users commenting on live streams) on platforms like Twitch exert additional pressures on…

Computation and Language · Computer Science 2025-06-11 Prarabdh Shukla , Wei Yin Chong , Yash Patel , Brennan Schaffner , Danish Pruthi , Arjun Bhagoji

Community-based question answering platforms can be rich sources of information on a variety of specialized topics, from finance to cooking. The usefulness of such platforms depends heavily on user contributions (questions and answers), but…

Social and Information Networks · Computer Science 2015-07-19 Imrul Kayes , Nicolas Kourtellis , Daniele Quercia , Adriana Iamnitchi , Francesco Bonchi

Developing a strong community requires empowered leadership capable of overcoming governance challenges. New online platforms have given users opportunities to practice governance through content moderation roles. The over 2.8 million…

Computers and Society · Computer Science 2022-06-14 Hannah M Wang , Beril Bulat , Stephen Fujimoto , Seth Frey

Reclaimed slur usage is a common and meaningful practice online for many marginalized communities. It serves as a source of solidarity, identity, and shared experience. However, contemporary automated and AI-based moderation tools for…

Computation and Language · Computer Science 2026-04-22 Christina Chance , Rebecca Pattichis , Arjun Subramonian , James He , Shruti Narayanan , Saadia Gabriel , Kai-Wei Chang

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

Online LGBTQ+ communities face a persistent tension: remaining visible to welcome newcomers while protecting members from harassment. This challenge is particularly acute for lesbian communities on Reddit, which operate not as isolated…

Human-Computer Interaction · Computer Science 2026-03-18 Yan Xia , Sushmita Khan , Naiyah Lewis , Jinkyung Katie Park

Social media platforms have diverse content moderation policies, with many prominent actors hesitant to impose strict regulations. A key reason for this reluctance could be the competitive advantage that comes with lax regulation. A popular…

Computer Science and Game Theory · Computer Science 2024-02-17 So Sasaki , Cédric Langbort

Online platforms have completely transformed American social life. They have democratized publication, overthrown old gatekeepers, and given ordinary Americans a fresh voice in politics. But the system is beginning to falter. Control over…

General Economics · Economics 2023-06-06 Gregory M. Dickinson