45268document31949How to Increase the Accuracy of Crowdsourcing Campaigns.pdfapplication/pdf65c85c271459fa44add0709daab55efbMD563263432016-01-19 15:30:25https://pure.iiasa.ac.at/id/eprint/11807/1/How%20to%20Increase%20the%20Accuracy%20of%20Crowdsourcing%20Campaigns.pdf