メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.745177812421 35.3380004694331, 136.745322734435 35.338379030526, 136.741644956705 35.3390503867398, 136.741349722237 35.3387255967582, 136.741331372448 35.3387010944851, 136.741321859852 35.3386878906654, 136.741003730034 35.3382875936437, 136.741368258745 35.3382180939654, 136.746283511314 35.3373462280189, 136.749606392116 35.3367947999274, 136.749609444957 35.3367943171903, 136.749777684854 35.3372054103446, 136.74977020085 35.3372065821042, 136.746464824365 35.3377846381296, 136.745177812421 35.3380004694331)) ^^http://www.opengis.net/ont/geosparql#wktLiteral