メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.62288949254 34.7928276256569, 134.622877228394 34.7952952172012, 134.62172855644 34.7952959872398, 134.621218855608 34.7952781898088, 134.62090885139 34.7952408986896, 134.620507695378 34.7951393105238, 134.620223143883 34.7950618117627, 134.619882118969 34.7949421892033, 134.619579580205 34.7948416314942, 134.619345291689 34.7947627440809, 134.61989677588 34.793532858931, 134.620171135478 34.7929107651714, 134.620330986054 34.7929251516263, 134.620563011759 34.7929460335598, 134.620595764298 34.7928364416397, 134.62288949254 34.7928276256569)) ^^http://www.opengis.net/ont/geosparql#wktLiteral