@proceedings {14314,
	title = {Social Creation of Hierarchical Taxonomy from Topic Tags: An Analysis of User Participation in Forming Zhihu{\textquoteright}s Topic Hierarchy},
	journal = {iConference {\textquoteright}17},
	year = {2017},
	address = {Wuhan, China},
	author = {Yuyu Yang and Zhang, Pengyi}
}
