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Online communities provide a fertile ground for analyzing people's behavior and improving our understanding of social processes. Because both people and communities change over time, we argue that analyses of these communities that take…

Social and Information Networks · Computer Science 2016-04-19 Samuel Barbosa , Dan Cosley , Amit Sharma , Roberto M. Cesar-Jr

Monetizing user-generated content in social media such as Reddit, in which users are both content creators and consumers, is challenging. Among the platform's strategies we find Reddit Awards, paid tokens of appreciation given by peer users…

Social and Information Networks · Computer Science 2023-07-13 Amaury Trujillo

Online forums (e.g., Reddit) are used by many parents to discuss their challenges, needs, and receive support. While studies have investigated the contents of posts made to popular parental subreddits revealing the family health concerns…

Social and Information Networks · Computer Science 2025-01-28 Nazanin Sabri , Mai Elsherief

Research into community content moderation often assumes that moderation teams govern with a single, unified voice. However, recent work has found that moderators disagree with one another at modest, but concerning rates. The problem is not…

Human-Computer Interaction · Computer Science 2024-11-01 Vinay Koshy , Frederick Choi , Yi-Shyuan Chiang , Hari Sundaram , Eshwar Chandrasekharan , Karrie Karahalios

At a time when information seekers first turn to digital sources for news and opinion, it is critical that we understand the role that social media plays in human behavior. This is especially true when information consumers also act as…

Social and Information Networks · Computer Science 2015-06-08 Maria Glenski , Thomas J. Johnston , Tim Weninger

In today's cross-platform social media landscape, understanding factors that drive engagement for multimodal content, especially text paired with visuals, remains complex. This study investigates how rewriting Reddit post titles adapted…

Social and Information Networks · Computer Science 2025-05-08 Yibo Hu , Yiqiao Jin , Meng Ye , Ajay Divakaran , Srijan Kumar

Online forums provide rich environments where users may post questions and comments about different topics. Understanding how people behave in online forums may shed light on the fundamental mechanisms by which collective thinking emerges…

Social and Information Networks · Computer Science 2020-06-05 Alexey N. Medvedev , Renaud Lambiotte , Jean-Charles Delvenne

This article presents a systematic analysis of the patterns of behavior of individuals as well as groups observed in community-driven platforms for discussion like Reddit, where users usually exchange information and viewpoints on their…

Social and Information Networks · Computer Science 2020-01-01 Sachin Thukral , Arnab Chatterjee , Hardik Meisheri , Tushar Kataria , Aman Agarwal , Ishan Verma , Lipika Dey

Mental health forums are online communities where people express their issues and seek help from moderators and other users. In such forums, there are often posts with severe content indicating that the user is in acute distress and there…

Computation and Language · Computer Science 2017-02-23 Arman Cohan , Sydney Young , Andrew Yates , Nazli Goharian

Microblogging platforms constitute a popular means of real-time communication and information sharing. They involve such a large volume of user-generated content that their users suffer from an information deluge. To address it, numerous…

Information Retrieval · Computer Science 2019-01-18 Efi Karra Taniskidou , George Papadakis , George Giannakopoulos , Manolis Koubarakis

This study examines the failures and possibilities of contemporary social media governance through the lived experiences of various content moderation professionals. Drawing on participatory design workshops with 33 practitioners in both…

Human-Computer Interaction · Computer Science 2025-09-12 Lindsay Blackwell

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

In order to keep up with the demand of curating the deluge of crowd-sourced content, social media platforms leverage user interaction feedback to make decisions about which content to display, highlight, and hide. User interactions such as…

Social and Information Networks · Computer Science 2017-07-04 Maria Glenski , Tim Weninger

Users organize themselves into communities on web platforms. These communities can interact with one another, often leading to conflicts and toxic interactions. However, little is known about the mechanisms of interactions between…

Social and Information Networks · Computer Science 2018-03-13 Srijan Kumar , William L. Hamilton , Jure Leskovec , Dan Jurafsky

Responding to misinformation online can be an exhausting and thankless task. It takes time and energy to write effective content, puts users at risk of online harassment, and strains personal relationships. Despite these challenges, there…

Human-Computer Interaction · Computer Science 2024-12-02 Jina Yoon , Shreya Sathyanarayanan , Franziska Roesner , Amy X. Zhang

When discussing difficult topics online, is it common to meaningfully engage with people from diverse perspectives? Why or why not? Could features of the online environment be redesigned to encourage civil conversation across difference? In…

Social and Information Networks · Computer Science 2024-09-09 Rijul Magu , Nivedhitha Mathan Kumar , Yihe Liu , Xander Koo , Diyi Yang , Amy Bruckman

Social media platforms moderate content for each user by incorporating the outputs of both platform-wide content moderation systems and, in some cases, user-configured personal moderation preferences. However, it is unclear (1) how end…

Human-Computer Interaction · Computer Science 2025-06-13 Shagun Jhaver , Alice Qian Zhang , Quanze Chen , Nikhila Natarajan , Ruotong Wang , Amy Zhang

Online platforms have sanctioned individuals and communities associated with fringe movements linked to hate speech, violence, and terrorism, but can these sanctions contribute to the abandonment of these movements? Here, we investigate…

Social and Information Networks · Computer Science 2025-05-08 Giuseppe Russo , Maciej Styczen , Manoel Horta Ribeiro , Robert West

We study the effect of the number of users on the activity of communities within the online content sharing and discussion platform Reddit, called subreddits. We found that comment activity on Reddit has a heavy-tailed distribution, where a…

Physics and Society · Physics 2025-03-05 Guilherme Machado , Diogo Pacheco , Ronaldo Menezes , Gareth Baxter

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
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