@article{weko_95221_1,
   author	 = "Hiroaki,Kikuchi and Anna,Mochizuki",
   title	 = "Privacy-preserving Collaborative Filtering Using Randomized Response",
   journal	 = "情報処理学会論文誌",
   year 	 = "2013",
   volume	 = "54",
   number	 = "9",
   month	 = "sep"
}