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Social media platforms struggle to protect users from harmful content through content moderation. These platforms have recently leveraged machine learning models to cope with the vast amount of user-generated content daily. Since moderation…

Machine Learning · Computer Science 2023-01-27 Donghyun Son , Byounggyu Lew , Kwanghee Choi , Yongsu Baek , Seungwoo Choi , Beomjun Shin , Sungjoo Ha , Buru Chang

While online hate groups pose significant risks to the health of online platforms and safety of marginalized groups, little is known about what causes users to become active in hate groups and the effect of social interactions on furthering…

Social and Information Networks · Computer Science 2023-03-27 Daniel Hickey , Matheus Schmitz , Daniel Fessler , Paul Smaldino , Goran Muric , Keith Burghardt

People assume different and important roles within social networks. Some roles have received extensive study: that of influencers who are well-connected, and that of brokers who bridge unconnected parts of the network. However, very little…

Social and Information Networks · Computer Science 2021-08-31 Martin Saveski , Farshad Kooti , Sylvia Morelli Vitousek , Carlos Diuk , Bryce Bartlett , Lada Adamic

Social media feed algorithms infer user preferences from their past behaviors. Yet what drives engagement often diverges from what users value. We examine this gap between stated preferences (what users say they prefer) and revealed…

Human-Computer Interaction · Computer Science 2026-04-14 Do Won Kim , Cody Buntain , Giovanni Luca Ciampaglia

How communities respond to diverse societal challenges, from economic crises to political upheavals, is shaped by their collective minds - shared representations of ongoing events and current topics. In turn, collective minds are shaped by…

Social and Information Networks · Computer Science 2025-04-14 Seungwoong Ha , Henrik Olsson , Kresimir Jaksic , Max Pellert , Mirta Galesic

Large language models are increasingly used to mediate everyday interpersonal dilemmas, yet how their advisory defaults interact with the concentrated moral orders of specific communities remains poorly understood. This article compares…

Computers and Society · Computer Science 2026-04-27 Tom van Nuenen

For many users on social networks, one of the goals when broadcasting content is to reach a large audience. The probability of receiving reactions to a message differs for each user and depends on various factors, such as location, daily…

Social and Information Networks · Computer Science 2015-10-29 Nemanja Spasojevic , Zhisheng Li , Adithya Rao , Prantik Bhattacharyya

The degree to which individuals can exert influence on propagation of information and opinion dynamics in online communities is highly dependent on their social status. Therefore, there is a high demand for identifying influential users in…

Social and Information Networks · Computer Science 2018-10-24 Sahand Akbari

Recently, social media platforms are heavily moderated to prevent the spread of online hate speech, which is usually fertile in toxic words and is directed toward an individual or a community. Owing to such heavy moderation, newer and more…

Social and Information Networks · Computer Science 2023-03-21 Punyajoy Saha , Kiran Garimella , Narla Komal Kalyan , Saurabh Kumar Pandey , Pauras Mangesh Meher , Binny Mathew , Animesh Mukherjee

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

Vaccine hesitancy has been recognized as a major global health threat. Having access to any type of information in social media has been suggested as a potential powerful influence factor to hesitancy. Recent studies in other fields than…

Social and Information Networks · Computer Science 2018-01-10 Ana Lucia Schmidt , Fabiana Zollo , Antonio Scala , Cornelia Betsch , Walter Quattrociocchi

Cultural evolution theory suggests that prestige bias - whereby individuals preferentially learn from prestigious figures - has played a key role in human ecological success. However, its impact within online environments remains unclear,…

Social and Information Networks · Computer Science 2025-05-05 Takuro Niitsuma , Mitsuo Yoshida , Hideaki Tamori , Yo Nakawake

Social media broadly refers to digital platforms and applications that simulate social interactions online. This study investigates the impact of social media platforms and their algorithms on political interest among users. As social media…

Social and Information Networks · Computer Science 2025-07-04 Waseq Billah

Online platforms face pressure to keep their communities civil and respectful. Thus, the bannings of problematic online communities from mainstream platforms like Reddit and Facebook are often met with enthusiastic public reactions.…

Social and Information Networks · Computer Science 2023-10-25 Giuseppe Russo , Luca Verginer , Manoel Horta Ribeiro , Giona Casiraghi

The behaviour of sharing information on social media should be fulfilled only when a user is exhibiting attentive behaviour. So that the useful information can be consumed constructively, and misinformation can be identified and ignored.…

Social and Information Networks · Computer Science 2020-12-29 Zaid Amin , Nazlena Mohamad Ali , Alan F. Smeaton

Passive consumption of a quantifiable amount of social media information related to a topic can cause individuals to form opinions. If a substantial amount of these individuals are motivated to take action from their recently established…

Social and Information Networks · Computer Science 2019-10-11 Derrik E. Asher , Justine Caylor , Casey Doyle , Alexis R. Neigel , Gyorgy Korniss , Boleslaw K. Szymanski

Social media platforms have been establishing content moderation guidelines and employing various moderation policies to counter hate speech and misinformation. The goal of this paper is to study these community guidelines and moderation…

Computers and Society · Computer Science 2023-08-10 Mohit Singhal , Chen Ling , Pujan Paudel , Poojitha Thota , Nihal Kumarswamy , Gianluca Stringhini , Shirin Nilizadeh

The online exchange of social recognition including, for instance, the Facebook "like" appears to produce a scarce allocation without a clear utility function defined for anyone involved. Given the importance attached to such digital…

Social and Information Networks · Computer Science 2014-09-16 Stan Palasek

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

Nascent research on human-computer interaction concerns itself with fairness of content moderation systems. Designing globally applicable content moderation systems requires considering historical, cultural, and socio-technical factors.…

Social and Information Networks · Computer Science 2025-04-04 Walid Magdy , Hamdy Mubarak , Joni Salminen