@article{weko_191426_1,
   author	 = "Shu,Kaneko and Eiichiro,Chishiro",
   title	 = "Query Conversion for Aggregate Operations in Distributed SPARQL Query Processing Using Summary Information",
   journal	 = "情報処理学会論文誌プログラミング（PRO）",
   year 	 = "2018",
   volume	 = "11",
   number	 = "3",
   month	 = "sep"
}