@article{weko_60503_1,
   author	 = "Tetsuya,Sakai",
   title	 = "On the Robustness of Information Retrieval Metrics to Biased Relevance Assessments",
   journal	 = "情報処理学会論文誌",
   year 	 = "2009",
   volume	 = "50",
   number	 = "4",
   pages	 = "1410--1420",
   month	 = "apr"
}