Zhao, Y., J. Xia, G. Liu, H. Su, D. Lian, S. Shang, and K. Zheng. “Preference-Aware Task Assignment in Spatial Crowdsourcing”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 2629-36, doi:10.1609/aaai.v33i01.33012629.