129 citations · 396 across the 14 of their papers we have counts for
6 papers · 1 filter
Social Media Alerts can Improve, but not Replace Hydrological Models for Forecasting Floods
Valerio Lorini, Carlos Castillo, Domenico Nappo +2
Social media can be used for disaster risk reduction as a complement to traditional information sources, and the literature has suggested numerous ways to achieve this. In the case…
Modeling Islamist Extremist Communications on Social Media using Contextual Dimensions: Religion, Ideology, and Hate
Ugur Kursuncu, Manas Gaur, Carlos Castillo +6
Terror attacks have been linked in part to online extremist content. Although tens of thousands of Islamist extremism supporters consume such content, they are a small fraction rel…
The Effect of Extremist Violence on Hateful Speech Online
Alexandra Olteanu, Carlos Castillo, Jeremy Boy +1
User-generated content online is shaped by many factors, including endogenous elements such as platform affordances and norms, as well as exogenous elements, in particular signific…
Processing Social Media Messages in Mass Emergency: A Survey
Muhammad Imran, Carlos Castillo, Fernando Diaz +1
Social media platforms provide active communication channels during mass convergence and emergency events such as disasters caused by natural hazards. As a result, first responders…
Characterizing the Life Cycle of Online News Stories Using Social Media Reactions
Carlos Castillo, Mohammed El-Haddad, Jürgen Pfeffer +1
This paper presents a study of the life cycle of news articles posted online. We describe the interplay between website visitation patterns and social media reactions to news conte…
The Role of Information Diffusion in the Evolution of Social Networks
Lilian Weng, Jacob Ratkiewicz, Nicola Perra +6
Every day millions of users are connected through online social networks, generating a rich trove of data that allows us to study the mechanisms behind human interactions. Triadic…