メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.05827380137 38.3689981616922, 141.057750289088 38.369972202847, 141.057239571511 38.3698277605742, 141.05712004375 38.3704403586801, 141.057038795934 38.3709270307211, 141.056136905456 38.3710389768642, 141.05541342425 38.3696865210948, 141.055737006775 38.3694845989284, 141.054555173331 38.3687160907243, 141.054890210408 38.3684816296527, 141.05473587439 38.3674066773565, 141.054802069826 38.3674196441665, 141.055331016929 38.3674365219727, 141.055442041662 38.3674401127445, 141.055547022989 38.3674920001977, 141.055941861191 38.3676238617291, 141.056096637394 38.3677190129085, 141.056256940839 38.3678230233364, 141.056847533033 38.3679347996585, 141.057223754542 38.3682902436077, 141.057945183914 38.3678632985513, 141.058115588754 38.3679008401149, 141.058784231796 38.368048354758, 141.05827380137 38.3689981616922)) ^^http://www.opengis.net/ont/geosparql#wktLiteral