E-maih liuxueliang @lffut.edu.cn,Xueliang Liu received his MS and PhD from the University of Science and Technology of China, China and EU- RECOM, France in 2008 and 2012, respectively. He is currently with the School of Computing and Informa- tion, Hefei University of Technology, China. His current research interests include social media mining, multi- modality modeling, and social event analysis. Meng Wang received his BE and PhD in the Special Class for the Gifted Young and the Department of Elec- tronic Engineering and Information Science from University of Science and Technology of China, China. He is a professor of Hefei University of Tech- nology, China. His current research interests include multimedia content analysis, search, mining, recommendation, and large-scale computing. Benoit Huet received his PhD in computer science from University of York, UK. He is an assistant profes- sor at the Multimedia Information Pro- cessing Group, EURECOM, France. His current research interests include largescale multimedia content analysis, mining and indexing, multimodal fu- sion, and socially-aware multimedia.