Emotional Analysis of Blogs and Forums Data
  We perform a statistical analysis of emotionally annotated comments in two large online datasets, examining chains of consecutive posts in the discussions. Using comparisons with randomised data we show that there is a high level of correlation for the emotional content of messages. 
Pawe{\l} Wero\'nski, Julian Sienkiewicz, Georgios Paltoglou, Kevan   Buckley, Mike Thelwall and Janusz A. Ho{\l}yst
cs.CL physics.data-an physics.soc-ph