15:00 -> 16:30% Wednesday, 15th Room Alhambra II Pick-A-Crowd: Tell Me What You Like, and I’ll Tell You What to Do Presenters: Gianluca Stringhini, Djellel Eddine Difallah, Philippe Cudré-Mauroux
15:00 -> 16:30% Wednesday, 15th Room Alhambra II Groundhog Day: Near-Duplicate Detection on Twitter Presenters: Ke Tao, Fabian Abel, Claudia Hauff, Geert-Jan Houben, Ujwal Gadiraju
15:00 -> 16:30% Wednesday, 15th Room Alhambra II Reactive Crowdsourcing Presenters: Alessandro Bozzon, Marco Bambilla, Stefano Ceri, Andrea Mauri
15:00 -> 16:25% Wednesday, 15th Room Alhambra II Spatio-Temporal Dynamics of Global Social Media Presenters: Krishna Kamath, James Caverlee, Kyumin Lee, Zhiyuan Cheng