Media Professionals' Opinions about Interactive Visualizations of Political Polarization during Brazilian Presidential Campaigns on Twitter. - Caroline Queiroz Santos; Holisson Cunha; Carlos Roberto G. Teixeira; Daniele Ramos de Souza; Roberto Tietzmann; Isabel Harb Manssour; Milene Selbach Silveira; Marcelo Träsel; Duncan Dubugras Alcoba Ruiz; Rodrigo C. Barros (HICSS, 2017)