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 …
David García, Frank Schweitzer Royal Society Open Science (2) 150288 (2015) The availability of data on digital traces is growing to unprecedented sizes, but inferring actionable knowledge from large-scale data is far from being trivial. This is especially important for computational finance, where digital traces of human behaviour offer a great potential to drive trading …
Raquel Álvarez, David García, Yamir Moreno, Frank Schweitzer EPJ Data Science, Volume 4:1 (2015) Recent grassroots movements have suggested that online social networks might play a key role in their organization, as adherents have a fast, many-to-many, communication channel to help coordinate their mobilization. The structure and dynamics of the networks constructed from the digital …
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 …
David García, Claudio Juan Tessone, Pavlin Mavrodiev, Nicolas Perony. Journal of the Royal Society Interface, 2014, 11 (99) What is the role of social interactions in the creation of price bubbles? Answering this question requires obtaining collective behavioural traces generated by the activity of a large number of actors. Digital currencies offer a unique possibility …
David García, Ingmar Weber, Venkata Rama Kiran Garimella. Proceedings of the 8th International AAAI Conference on Weblogs and Social Media (2014) The subjective nature of gender inequality motivates the analysis and comparison of data from real and fictional human interaction. We present a computational extension of the Bechdel test: A popular tool to assess if …
David García, Pavlin Mavrodiev, Frank Schweitzer. Proceedings of the 1st ACM Conference in Online Social Networks (COSN’13) 2013 Listed in MIT Technology Review Best of 2013 We empirically analyze five online communities: Friendster, Livejournal, Facebook, Orkut, Myspace, to identify causes for the decline of social networks. We define social resilience as the ability of a …