メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.957025072758 35.2338389041914, 136.95749442586 35.2341753747585, 136.956712019701 35.234824827682, 136.956335967306 35.2352758351693, 136.955756309129 35.234825379419, 136.95512360228 35.234766272367, 136.954336598403 35.2346939395, 136.954394528448 35.2343113972036, 136.954559275918 35.2337486317771, 136.954639010743 35.2334873135572, 136.955064397267 35.2335721225685, 136.956534556752 35.2337711023193, 136.957025072758 35.2338389041914)) ^^http://www.opengis.net/ont/geosparql#wktLiteral