メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.093538774503 37.9084225327476, 139.09165807554 37.9075740157223, 139.089631665084 37.9067021274122, 139.090281227549 37.9057850169691, 139.09093932889 37.9048268913968, 139.092969567435 37.9057270331391, 139.093681684236 37.9060471216491, 139.093820725523 37.9061080873233, 139.094324198199 37.9063285598842, 139.094843800851 37.9065935800833, 139.094696028386 37.9067728456881, 139.094415254179 37.9071569275504, 139.094081292152 37.9076558775131, 139.093907881021 37.907923406264, 139.093538774503 37.9084225327476)) ^^http://www.opengis.net/ont/geosparql#wktLiteral