Atzmueller, M.; Chin, A.; Helic, D. & Hotho, A., ed. (2013), Ubiquitous Social Media Analysis Third International Workshops, MUSE 2012, Bristol, UK, September 24, 2012, and MSM 2012, Milwaukee, WI, USA, June 25, 2012, Revised Selected Papers , Imprint: Springer , Berlin, Heidelberg .