Ponnambalam, C. T., F. A. Oliehoek, and M. . T. J. Spaan. “Abstraction-Guided Policy Recovery from Expert Demonstrations”. Proceedings of the International Conference on Automated Planning and Scheduling, vol. 31, no. 1, May 2021, pp. 560-8, doi:10.1609/icaps.v31i1.16004.