Daniele Quercia, Jonathan Ellis, Licia Capra, Jon Crowcroft. Tracking "gross community happiness" from tweets. In Steven E. Poltrock, Carla Simone, Jonathan Grudin, Gloria Mark, John Riedl, editors, CSCW '12 Computer Supported Cooperative Work, Seattle, WA, USA, February 11-15, 2012. pages 965-968, ACM, 2012. [doi]
Abstract is missing.