@article{weko_79517_1,
   author	 = "Zheng,Liu and JeffreyXuYu and Hong,Cheng",
   title	 = "Approximate Homogeneous Graph Summarization",
   journal	 = "情報処理学会論文誌",
   year 	 = "2011",
   volume	 = "52",
   number	 = "12",
   month	 = "dec"
}