Mao A, Kamar E, Chen Y, Horvitz E, Schwamb M, Lintott C, Smith A. Volunteering Versus Work for Pay: Incentives and Tradeoffs in Crowdsourcing. HCOMP [Internet]. 2013Nov.3 [cited 2024Apr.29];1(1):94-102. Available from: https://ojs.aaai.org/index.php/HCOMP/article/view/13075