@inproceedings{weko_164092_1,
   author	 = "清光,英成",
   title	 = "店舗横断検索のための関係代数拡張の一考察",
   booktitle	 = "第77回全国大会講演論文集",
   year 	 = "2015",
   volume	 = "2015",
   number	 = "1",
   pages	 = "505--506",
   month	 = "mar"
}