Fig. 5From: When face-tracking meets social networks: a story of politics in news videos(Top) The daily track averages 2.4 % of a program (line in red) and shows a bit more coverage during the 2008–2011 period. (Bottom) Even if a lot of topics detect one person only, the maximum detections in a topic per day shows many topics going beyond, especially during the 2008–2011 periodBack to article page