@article{weko_101729_1,
   author	 = "Hiroyuki,Sato and Yasuo,Okabe and Takeshi,Nishimura and Kazutsuna,Yamaji and Motonori,Nakamura",
   title	 = "Privacy Enhancing Proxies in a Federation: Agent Approach and Cascade Approach",
   journal	 = "情報処理学会論文誌",
   year 	 = "2014",
   volume	 = "55",
   number	 = "6",
   month	 = "jun"
}