Hutsebaut-Buysse, MatthiasMatthiasHutsebaut-BuysseMets, KevinKevinMetsLatre, StevenStevenLatre2022-04-272022-04-142022-04-2720222504-4990WOS:000774950700001https://imec-publications.be/handle/20.500.12860/39617Hierarchical Reinforcement Learning: A Survey and Open Research ChallengesJournal article10.3390/make4010009WOS:000774950700001DEEP NEURAL-NETWORKSLEVELABSTRACTIONFRAMEWORKTIME