@article{weko_193893_1,
   author	 = "Yu,Suzuki and Yoshitaka,Matsuda and Satoshi,Nakamura",
   title	 = "Additional Operations of Simple HITs on Microtask Crowdsourcing for Worker Quality Prediction",
   journal	 = "情報処理学会論文誌",
   year 	 = "2019",
   volume	 = "60",
   number	 = "1",
   month	 = "jan"
}