TY - Journal of Shandong University(Engineering Science) A1 - SHEN Jing, LIU Hai-bo, ZHANG Ru-bo, WU Yan-xia, CHENG Xiao-bei T1 - Multi-robot hierarchical reinforcement learning based on semi-Markov games Y1 - 2010-08-16 JF - Journal of Shandong University(Engineering Science) JO - Journal of Shandong University(Engineering Science) SP - 1 EP - 7 VL - 40 IS - 4 UR - http://gxbwk.njournal.sdu.edu.cn N1 - ER -