Anna Di Natale, Max Pellert, David Garcia Affective Science (2021) Colexification is a linguistic phenomenon that occurs when multiple concepts are expressed in a language with the same word. Colexification patterns are frequently used to estimate the meaning similarity between words, but the hypothesis that these are related is still missing direct empirical validation at …
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 …
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 …
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 …
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 …
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, …
Juan Miguel Carrascosa, Rubén Cuevas , Roberto González , Arturo Azcorra, David García PLoS ONE 10(7): e0134407. (2015) Online social media has recently irrupted as the last major venue for the propagation of news and cultural content, competing with traditional mass media and allowing citizens to access new sources of information. In this paper, we …
Claudia Wagner, David García, Mohsen Jadidi, Markus Strohmaier Proceedings of the 9th International AAAI Conference on Weblogs and Social Media (2015) Wikipedia is a community-created encyclopedia that contains information about notable people from different countries, epochs and disciplines and aims to document the world’s knowledge from a neutral point of view. However, the narrow diversity …
David García, Adiya Abisheva, Simon Schweighofer, Uwe Serdült, Frank Schweitzer Policy & Internet, 2015, 7(1) Political polarization is traditionally analyzed through the ideological stances of groups and parties, but it also has a behavioral component that manifests in the interactions between individuals. We present an empirical analysis of the digital traces of politicians in politnetz.ch, …
Emre Sarigol, David García, Frank Schweitzer Proceedings of the 2nd ACM Conference in Online Social Networks (COSN’14) 2014 The problem of online privacy is often reduced to individual decisions to hide or reveal personal information in online social networks (OSNs). However, with the increasing use of OSNs, it becomes more important to understand the role …