@techreport{weko_83425_1,
   author	 = "Hitoshi,Afuso and Takeo,Okazaki and Morikazu,Nakamura",
   title	 = "Vertex Similarity based on Network Characteristics for Alignment of directed Vertex Similarity based on Network Characteristics for Alignment of directed graphs",
   year 	 = "2012",
   institution	 = "Graduate School of Engineering and Science in University of the Ryukyus, Faculty of Information Engineering in University of the Ryukyus, Faculty of Information Engineering in University of the Ryukyus",
   number	 = "7",
   month	 = "aug"
}