@conference {DBLP:conf/sdm/ChengYZ13,
	title = {{W}hat{\textquoteright}s {Y}our {N}ext {M}ove: {U}ser {A}ctivity {P}rediction in {L}ocation-based {S}ocial {N}etworks},
	booktitle = {SDM},
	year = {2013},
	pages = {171-179},
	publisher = {SIAM},
	organization = {SIAM},
	url = {http://dx.doi.org/10.1137/1.9781611972832.19},
	author = {Hong Cheng and Jihang Ye and Zhe Zhu}
}
