メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.306339899181 36.7553358296532, 137.306551215097 36.7552553897277, 137.306646121437 36.7555450038512, 137.306775383459 36.7555110573149, 137.306880794289 36.7558203034675, 137.306755017401 36.7558457963171, 137.306886748963 36.7562042249454, 137.306834325933 36.756209918898, 137.306890630929 36.7564179767924, 137.307271525851 36.7563697243954, 137.307306780814 36.756532816498, 137.307055179732 36.7565640197795, 137.307130785437 36.7568184527729, 137.307057422406 36.7568326193748, 137.307090006792 36.7570833718249, 137.306577967679 36.757150225095, 137.306072636057 36.7572241789622, 137.305945775512 36.7567523172108, 137.306123957054 36.7567099366346, 137.306099234033 36.756563729471, 137.305791655481 36.7565669027449, 137.305777565298 36.7565050311136, 137.305581864584 36.7565249732875, 137.305456174534 36.7560861297307, 137.305546193287 36.7560705353307, 137.305512134432 36.7559139892505, 137.305447825576 36.7559218088066, 137.305434860355 36.7558649357225, 137.305364129914 36.7558779013829, 137.305354280439 36.75576666897, 137.305328305898 36.7556346858846, 137.305566249979 36.7556059661558, 137.305688408571 36.7555825191047, 137.305836291949 36.7555461583259, 137.305932705336 36.7555097869254, 137.306339899181 36.7553358296532)) ^^http://www.opengis.net/ont/geosparql#wktLiteral