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Social media have quickly become a prevalent channel to access information, spread ideas, and influence opinions. However, it has been suggested that social and algorithmic filtering may cause exposure to less diverse points of view, and…

Social and Information Networks · Computer Science 2015-10-30 Dimitar Nikolov , Diego F. M. Oliveira , Alessandro Flammini , Filippo Menczer

This article investigates the impact of user homophily on the social process of information diffusion in online social media. Over several decades, social scientists have been interested in the idea that similarity breeds connection:…

Computers and Society · Computer Science 2010-06-10 Munmun De Choudhury , Hari Sundaram , Ajita John , Doree Duncan Seligmann , Aisling Kelliher

Recommender systems leverage user demographic information, such as age, gender, etc., to personalize recommendations and better place their targeted ads. Oftentimes, users do not volunteer this information due to privacy concerns, or due to…

Machine Learning · Computer Science 2014-08-01 Smriti Bhagat , Udi Weinsberg , Stratis Ioannidis , Nina Taft

This articles surveys the existing literature on the methods currently used by web services to track the user online as well as their purposes, implications, and possible user's defenses. A significant majority of reviewed articles and web…

Computers and Society · Computer Science 2015-07-29 Tomasz Bujlow , Valentín Carela-Español , Josep Solé-Pareta , Pere Barlet-Ros

In this study, we investigate the scalability of state-of-the-art user profiling technologies across different online domains. More specifically, this work aims to understand the reliability and limitations of current computational…

Cryptography and Security · Computer Science 2022-03-25 Claudia Peersman , Matthew Edwards , Emma Williams , Awais Rashid

With the growing use of popular social media services like Facebook and Twitter it is challenging to collect all content from the networks without access to the core infrastructure or paying for it. Thus, if all content cannot be collected…

Social and Information Networks · Computer Science 2017-12-15 Fredrik Erlandsson , Piotr Bródka , Martin Boldt , Henric Johnson

In the global move toward urbanization, making sure the people remaining in rural areas are not left behind in terms of development and policy considerations is a priority for governments worldwide. However, it is increasingly challenging…

Computers and Society · Computer Science 2020-04-23 Daniele Rama , Yelena Mejova , Michele Tizzoni , Kyriaki Kalimeri , Ingmar Weber

The proliferation of media sharing and social networking websites has brought with it vast collections of site-specific user generated content. The result is a Social Networking Divide in which the concepts and structure common across…

Information Retrieval · Computer Science 2008-12-25 Avare Stewart , Ernesto Diaz-Aviles , Wolfgang Nejdl

This paper considers the problem of estimating exposure to information in a social network. Given a piece of information (e.g., a URL of a news article on Facebook, a hashtag on Twitter), our aim is to find the fraction of people on the…

Social and Information Networks · Computer Science 2022-07-14 Buddhika Nettasinghe , Kowe Kadoma , Mor Naaman , Vikram Krishnamurthy

Social media platforms significantly influence ideological divisions by enabling users to select information that aligns with their beliefs and avoid opposing viewpoints. Analyzing approximately 47 million Facebook posts, this study…

Social and Information Networks · Computer Science 2024-07-08 Giulio Pecile , Niccolò Di Marco , Matteo Cinelli , Walter Quattrociocchi

Web traffic is a valuable data source, typically used in the marketing space to track brand awareness and advertising effectiveness. However, web traffic is also a rich source of information for cybersecurity monitoring efforts. To better…

Information Retrieval · Computer Science 2019-04-04 Han Qin , Kit Riehle , Haozhen Zhao

Social media, seen by some as the modern public square, is vulnerable to manipulation. By controlling inauthentic accounts impersonating humans, malicious actors can amplify disinformation within target communities. The consequences of such…

Computers and Society · Computer Science 2026-02-09 Bao Tran Truong , Xiaodan Lou , Alessandro Flammini , Filippo Menczer

Mental disorders such as depression and suicidal ideation are hazardous, affecting more than 300 million people over the world. However, on social media, mental disorder symptoms can be observed, and automated approaches are increasingly…

Information Retrieval · Computer Science 2023-01-26 Ramin Safa , S. A. Edalatpanah , Ali Sorourkhah

With rise in security breaches over the past few years, there has been an increasing need to mine insights from social media platforms to raise alerts of possible attacks in an attempt to defend conflict during competition. We use…

Social and Information Networks · Computer Science 2018-11-16 Soumajyoti Sarkar , Mohammad Almukaynizi , Jana Shakarian , Paulo Shakarian

The rise of fake news in the past decade has brought with it a host of consequences, from swaying opinions on elections to generating uncertainty during a pandemic. A majority of methods developed to combat disinformation either focus on…

Computers and Society · Computer Science 2021-08-26 Mansooreh Karami , Tahora H. Nazer , Huan Liu

Social media platforms often assume that users can self-correct against misinformation. However, social media users are not equally susceptible to all misinformation as their biases influence what types of misinformation might thrive and…

Online social networks such as Facebook disclose an unprecedented volume of personal information amplifying the occasions for social comparisons. We test the hypothesis that the use of social networking sites (SNS) increases people's…

Computers and Society · Computer Science 2015-08-03 Fabio Sabatini , Francesco Sarracino

Social media plays a crucial role in shaping society, often amplifying polarization and spreading misinformation. These effects stem from complex dynamics involving user interactions, individual traits, and recommender algorithms driving…

Information Retrieval · Computer Science 2025-04-16 Sabrina Guidotti , Sabrina Patania , Giuseppe Vizzari , Dimitri Ognibene , Gregor Donabauer , Udo Kruschwitz , Davide Taibi

Engaged costumers are a very import part of current social media marketing. Public figures and brands have to be very careful about what to post online. That is why the need for accurate strategies for anticipating the impact of a post…

Social and Information Networks · Computer Science 2019-09-24 Érika S. Rosas-Quezada , Gabriela Ramírez-de-la-Rosa , Esaú Villatoro-Tello

Social media platforms offer flagging, a technical feature that empowers users to report inappropriate posts or bad actors to reduce online harm. The deceptively simple flagging interfaces on nearly all major social media platforms disguise…

Human-Computer Interaction · Computer Science 2024-12-12 Alice Qian Zhang , Kaitlin Montague , Shagun Jhaver