Doctoral and postdoc positions at the CSS Lab
Come and work with us! Check out our opportunities for doctoral students and postdocs. Deadlines are January 13th, 2021. Doctoral position at the CSS Lab Postdoc opportunities at the CSS Lab
A Weighted Balance Model of Opinion Hyperpolarization
Simon Schweighofer, Frank Schweitzer, David Garcia Journal of Artificial Societies and Social Simulation 23 (3) 5 (2020) Polarization is threatening the stability of democratic societies. Until now, polarization research has focused on opinion extremeness, overlooking the correlation between different policy issues. In this paper, we explain the emergence of hyperpolarization, i.e., the combination of extremeness and …
EATLancet vs yes2meat: the digital backlash to the planetary health diet
David Garcia, Victor Galaz, Stefan Daume The Lancet, Vol. 394, Issue 10215 (2019) Food production, climate change, and human health are intrinsically related. The EAT–Lancet Commission is one of the first attempts to summarise and communicate the best available science on what constitutes a healthy diet within environmental targets. The launch of the report was …
Collective Emotions and Social Resilience in the Digital Traces After a Terrorist Attack
David Garcia, Bernard Rimé Psychological Science, 30(4), 2019 After collective traumas such as natural disasters and terrorist attacks, members of concerned communities experience intense emotions and talk profusely about them. Although these exchanges resemble simple emotional venting, Durkheim’s theory of collective effervescence postulates that these collective emotions lead to higher levels of solidarity in the …
Collective aspects of privacy in the Twitter social network
David Garcia, Mansi Goel, Amod Agrawal, Ponnurangam Kumaraguru EPJ Data Science 7:3 Preserving individual control over private information is one of the rising concerns in our digital society. Online social networks exist in application ecosystems that allow them to access data from other services, for example gathering contact lists through mobile phone applications. Such data …
Analyzing gender inequality through large-scale Facebook advertising data
David Garcia, Yonas Mitike Kassa, Angel Cuevas, Manuel Cebrian, Esteban Moro, Iyad Rahwan, Ruben Cuevas Proceedings of the National Academy of Sciences Online social media are information resources that can have a transformative power in society. While the Web was envisioned as an equalizing force that allows everyone to access information, the digital divide prevents …
Leaking Privacy and Shadow Profiles in Online Social Networks
David Garcia Science Advances; 3:e1701172 Social interaction and data integration in the digital society can affect the control that individuals have on their privacy. Social networking sites can access data from other services, including user contact lists where nonusers are listed too. Although most research on online privacy has focused on the inference of personal …
Understanding Popularity, Reputation, and Social Influence in the Twitter Society
David Garcia, Pavlin Mavrodiev, Daniele Casati, Frank Schweitzer Policy & Internet, 9 (3) The pervasive presence of online media in our society has transferred a significant part of political deliberation to online forums and social networking sites. This article examines popularity, reputation, and social influence on Twitter using large-scale digital traces from 2009 to 2016. …
The Dynamics of Emotions in Online Interaction
David Garcia, Arvid Kappas, Dennis Küster, and Frank Schweitzer Royal Society Open Science, 3 160059 (2016) We study the changes in emotional states induced by reading and participating in online discussions, empirically testing a computational model of online emotional interaction. Using principles of dynamical systems, we quantify changes in valence and arousal through subjective reports, …
The QWERTY Effect on the Web
How Typing shapes the meaning of words in human-computer interaction David García and Markus Strohmaier Proceedings of the 25th international World Wide Web conference (WWW) The QWERTY effect postulates that the keyboard layout influences word meanings by linking positivity to the use of the right hand and negativity to the use of the left hand. …