Valenzano, R., Sturtevant, N., Schaeffer, J., & Xie, F. (2014). A Comparison of Knowledge-Based GBFS Enhancements and Knowledge-Free Exploration. Proceedings of the International Conference on Automated Planning and Scheduling, 24(1), 375–379. https://doi.org/10.1609/icaps.v24i1.13681