メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.424013780115 36.1305608030027, 139.424361062415 36.1305684580395, 139.425832859456 36.1306008474752, 139.426638142027 36.1305900390771, 139.426895631507 36.1305978826171, 139.428807792042 36.1306235447539, 139.42879311931 36.1315758119942, 139.428784369909 36.1317407173806, 139.426885050106 36.131718806281, 139.425780712802 36.1316995909486, 139.42462561718 36.1316853392579, 139.424010023593 36.1316626355068, 139.423451452976 36.131665860698, 139.422067862352 36.1316507878739, 139.42207376296 36.131584972001, 139.422107760556 36.1305317578047, 139.424013780115 36.1305608030027)) ^^http://www.opengis.net/ont/geosparql#wktLiteral