DROID: Learning from Offline Heterogeneous Demonstrations via Reward-Policy Distillation. - Sravan Jayanthi; Letian Chen; Nadya Balabanska; Van Duong; Erik Scarlatescu; Ezra Ameperosa; Zulfiqar Haider Zaidi; Daniel Martin; Taylor Keith Del Matto; Masahiro Ono; Matthew C. Gombolay (CoRL, 2023)