Riedel, AnnaSend, HendrikFischer, StefanMaehle, ErikReischuk, RĂ¼diger2020-01-282020-01-282009978-3-88579-248-2https://dl.gi.de/handle/20.500.12116/31147enTopic bias in the social media - The representation of political topics in Obama's 'Open for Questions'-campaign in comparison to traditional media and the blogosphereText/Conference Paper1617-5468