@techreport{weko_94341_1,
   author	 = "Tetsuya,Sakai",
   title	 = "How Intuitive Are Diversified Search Metrics? Concordance Test Results for the Diversity U-measures",
   year 	 = "2013",
   institution	 = "Microsoft Research Asia, China",
   number	 = "12",
   month	 = "jul"
}