@conference {135,
	title = {Why It Happened: Identifying and Modeling the Reasons of the Happening of Social Events},
	booktitle = {Proceedings of the 21th {ACM} {SIGKDD} International Conference on Knowledge Discovery and Data Mining, Sydney, NSW, Australia, August 10-13, 2015},
	year = {2015},
	pages = {1015{\textendash}1024},
	author = {Yu Rong and Hong Cheng and Zhiyu Mo}
}
