Qarout, R., A. Checco, G. Demartini, and K. Bontcheva. “Platform-Related Factors in Repeatability and Reproducibility of Crowdsourcing Tasks”. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing, vol. 7, no. 1, Oct. 2019, pp. 135-43, doi:10.1609/hcomp.v7i1.5264.