Sanchez-Charles, D., V. Muntes-Mulero, M. Sole, and J. Nin. “CrowdWON: A Modelling Language for Crowd Processes Based on Workflow Nets”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 29, no. 1, Feb. 2015, doi:10.1609/aaai.v29i1.9339.