@techreport{weko_75569_1,
   author	 = "Ting,Chen and Kenjiro,Taura",
   title	 = "Supporting Collective Queries in Database System for Data-intensive Workflow Applications",
   year 	 = "2011",
   institution	 = "Presently with the University of Tokyo, Presently with the University of Tokyo",
   number	 = "28",
   month	 = "jul"
}