1. Echo Chamber or Public Sphere? Predicting Political Orientation and Measuring Political Homophily in Twitter Using Big Data. (19th March 2014) Authors: Colleoni, Elanor; Rozza, Alessandro; Arvidsson, Adam Journal: Journal of communication Issue: Volume 64:Number 2(2014:Apr.) Page Start: 317 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗