Online petitioning through data exploration and what we found there: a dataset of petitions from avaaz.org by Aragón, P, Sáez-Trumper, D, Redi, M, Hale, SA, Gómez, V, Kaltenbrunner, A

Language, Twitter and academic conferences by Garcia Gavilanes, R, Gomez, D, Parra, D, Trattner, C, Kaltenbrunner, A, Graells-Garrido, E

Who are my Audiences? A Study of the evolution of target audiences in microblogs by Garcia Gavilanes, R, Kaltenbrunner, A, Saez-Trumper, D, Baeza-Yates, R, Aragon, P, Laniado, D