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, Fernando Mendez, Uwe Serdült, Frank Schweitzer. Proceedings of the first edition workshop on Politics, elections and data, PLEAD at CIKM (2012) We present our approach to online popularity and its applications to political science, aiming at the creation of agent-based models that reproduce patterns of popularity in participatory media. We illustrate our approach …
David García, Antonios Garas, Frank Schweitzer. EPJ Data Science, 1:3 We show that the frequency of word use is not only determined by the word length and the average information content, but also by its emotional content.We have analysed three established lexica of affective word usage in English, German, and Spanish, to verify that these …
Antonios Garas, David García, Marcin Skowron, Frank Schweitzer. Scientific Reports 2, 402 (2012) How do users behave in online chatrooms, where they instantaneously read and write posts? We analyzed about 2.5 million posts covering various topics in Internet relay channels, and found that user activity patterns follow known power-law and stretched exponential distributions, indicating that …