@techreport{weko_96140_1,
   author	 = "Bonan,Li and Jianmin,Wu and Mizuho,Iwaihara",
   title	 = "Tracking topics on revision graphs of Wikipedia edit history",
   year 	 = "2013",
   institution	 = "Graduate School of Information, Production and Systems, Waseda University, Graduate School of Information, Production and Systems, Waseda University, Graduate School of Information, Production and Systems, Waseda University",
   number	 = "23",
   month	 = "nov"
}