Hikima, Y., Akagi, Y., Kim, H., & Asami, T. (2023). An Improved Approximation Algorithm for Wage Determination and Online Task Allocation in Crowd-Sourcing. Proceedings of the AAAI Conference on Artificial Intelligence, 37(4), 3977-3986. https://doi.org/10.1609/aaai.v37i4.25512