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Parler is as an "alternative" social network promoting itself as a service that allows to "speak freely and express yourself openly, without fear of being deplatformed for your views." Because of this promise, the platform become popular…

Social and Information Networks · Computer Science 2021-06-08 Max Aliapoulios , Emmi Bevensee , Jeremy Blackburn , Barry Bradlyn , Emiliano De Cristofaro , Gianluca Stringhini , Savvas Zannettou

Parler, a "free speech" platform popular with conservatives, was taken offline in January 2021 due to the lack of moderation of hateful and QAnon- and other conspiracy-related content that allegedly made it instrumental in the organisation…

Computers and Society · Computer Science 2023-04-20 Andrea Sipka , Aniko Hannak , Aleksandra Urman

On 6 January 2021, a mob of right-wing conservatives stormed the USA Capitol Hill interrupting the session of congress certifying 2020 Presidential election results. Immediately after the start of the event, posts related to the riots…

Social media networks commonly employ content moderation as a tool to limit the spread of harmful content. However, the efficacy of this strategy in limiting the delivery of harmful content to users is not well understood. In this paper, we…

Social and Information Networks · Computer Science 2023-02-23 Ian Goldstein , Laura Edelson , Minh-Kha Nguyen , Oana Goga , Damon McCoy , Tobias Lauinger

Social platforms such as Gab and Parler, branded as `free-speech' networks, have seen a significant growth of their user base in recent years. This popularity is mainly attributed to the stricter moderation enforced by mainstream platforms…

Social and Information Networks · Computer Science 2022-01-31 Abraham Israeli , Oren Tsur

The storming of the U.S. Capitol on January 6, 2021 has led to the killing of 5 people and is widely regarded as an attack on democracy. The storming was largely coordinated through social media networks such as Parler. Yet little is known…

Social and Information Networks · Computer Science 2022-07-20 Johannes Jakubik , Michael Vössing , Dominik Bär , Nicolas Pröllochs , Stefan Feuerriegel

The emergence of toxic information on social networking sites, such as Twitter, Parler, and Reddit, has become a growing concern. Consequently, this study aims to assess the level of toxicity in COVID-19 discussions on Twitter, Parler, and…

Social and Information Networks · Computer Science 2023-04-27 Nahiyan Bin Noor , Niloofar Yousefi , Billy Spann , Nitin Agarwal

There is an ongoing debate about how to moderate toxic speech on social media and the impact of content moderation on online discourse. This paper proposes and validates a methodology for measuring the content-moderation-induced distortions…

Social and Information Networks · Computer Science 2026-03-04 Mahyar Habibi , Dirk Hovy , Carlo Schwarz

This paper examines the shift in focus on content policies and user attitudes on the social media platform Reddit. We do this by focusing on comments from general Reddit users from five posts made by admins (moderators) on updates to Reddit…

Computation and Language · Computer Science 2022-03-21 Elissa Nakajima Wickham , Emily Öhman

This paper evaluates Parler, the controversial social media platform, from two seemingly orthogonal perspectives: UX design perspective and data science. UX design researchers explore how users react to the interface/content of their social…

Social and Information Networks · Computer Science 2021-06-02 Emma Pieroni , Peter Jachim , Nathaniel Jachim , Filipo Sharevski

Social media platforms have facilitated the rapid spread of dis- and mis-information. Parler, a US-based fringe social media platform that positions itself as a champion of free-speech, has had substantial information integrity issues. In…

Social and Information Networks · Computer Science 2023-06-27 Eliana Norton , Thaïs Thomas , Akaash Kolluri , Torie Hyunsik Kim , Dhiraj Murthy

In the digital age, hate speech poses a threat to the functioning of social media platforms as spaces for public discourse. Top-down approaches to moderate hate speech encounter difficulties due to conflicts with freedom of expression and…

Computers and Society · Computer Science 2025-11-24 Jana Lasser , Alina Herderich , Joshua Garland , Segun Taofeek Aroyehun , David Garcia , Mirta Galesic

Moderating user-generated content on online platforms is crucial for balancing user safety and freedom of speech. Particularly in the United States, platforms are not subject to legal constraints prescribing permissible content. Each…

When toxic online communities on mainstream platforms face moderation measures, such as bans, they may migrate to other platforms with laxer policies or set up their own dedicated websites. Previous work suggests that within mainstream…

Social media platforms increasingly employ proactive moderation techniques, such as detecting and curbing toxic and uncivil comments, to prevent the spread of harmful content. Despite these efforts, such approaches are often criticized for…

Human-Computer Interaction · Computer Science 2025-07-30 Xiaotian Su , Naim Zierau , Soomin Kim , April Yi Wang , Thiemo Wambsganss

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

In today's online environments, users encounter harm and abuse on a daily basis. Therefore, content moderation is crucial to ensure their safety and well-being. However, the effectiveness of many moderation interventions is still uncertain.…

Computers and Society · Computer Science 2025-07-02 Lorenzo Cima , Benedetta Tessa , Stefano Cresci , Amaury Trujillo , Marco Avvenuti

The social media platform "Parler" has emerged into a prominent fringe community where a significant part of the user base are self-reported supporters of QAnon, a far-right conspiracy theory alleging that a cabal of elites controls global…

Social and Information Networks · Computer Science 2023-04-25 Dominik Bär , Nicolas Pröllochs , Stefan Feuerriegel

We study the impact of content moderation policies in online communities. In our theoretical model, a platform chooses a content moderation policy and individuals choose whether or not to participate in the community according to the…

Data Structures and Algorithms · Computer Science 2023-10-17 Cynthia Dwork , Chris Hays , Jon Kleinberg , Manish Raghavan

Content moderation is a central mechanism through which platforms attempt to balance user engagement with community governance. Yet existing research has largely treated moderation as a uniform intervention, overlooking how moderator…

Computers and Society · Computer Science 2026-05-18 Siyi Zhou , Lindsay Young , Marlon Twyman , Emilio Ferrara
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