@article {11573/1132271,
	title = {{Hi-Val: Iterative Learning of Hierarchical Value Functions for Policy Generation}},
	volume = {{867}},
	number = {{False}},
	year = {2019},
	pages = {414-427},
	keywords = {Robot Learning, robot planning}, {Hierarchical Value Function Learning},
	doi = {{10.1007/978-3-030-01370-7\_33}},
	author = {Capobianco, Roberto and Riccio, Francesco and Nardi, Daniele}
}
