최창혁 송재복 Chung Woo Jin Kim Mun Sang 2024-01-13T12:34:23Z 2024-01-13T12:34:23Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/106967 English topological map Topological map building using local grid maps in unknown environments Conference 2 Proc. of 2002 IEEE/RSJ International Conference on Intelligent Robots and Systems(IROS 2002), pp.? Proc. of 2002 IEEE/RSJ International Conference on Intelligent Robots and Systems(IROS 2002) ? ? KO