Heuristics and symmetries in classical planningAlexander ShleyfmanMichael Katzet al.2015AAAI/IAAI 2015
Factored symmetries for merge-and-shrink abstractionsSilvan SieversMartin Wehrleet al.2015AAAI/IAAI 2015
A mathematical programming-based approach to determining objective functions from qualitative and subjective comparisonsTakayuki Yoshizumi2015AAAI/IAAI 2015