Choi, Jung-Hwa Park, Young- Tack Ko, Heedong 2024-01-13T09:32:29Z 2024-01-13T09:32:29Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/105255 English Ubiquitous System Planning Temporal Reasoning Semantic Web OWL Service Agent A Temporal Planning System for Ubiquitous Service Agents Conference 1 ICAT2004 ICAT2004 KO