Brafman, Ronen, Enrico Pilotto, Francesca Rossi, Domenico Salvagnin, Kristen Venable, and Toby Walsh. 2011. “The Next Best Solution”. Proceedings of the AAAI Conference on Artificial Intelligence 25 (1):1537-40. https://doi.org/10.1609/aaai.v25i1.7958.