メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.992003125602 34.9075969144491, 136.991899245198 34.9072183540031, 136.991790510793 34.9068113338246, 136.991746583634 34.9066185789099, 136.991202040862 34.9053045894935, 136.99187766677 34.9051044883529, 136.992438715636 34.904933024794, 136.992715662634 34.9048405258766, 136.992632505628 34.9052329744628, 136.992550673411 34.9054986540152, 136.992470389552 34.9058053946524, 136.992386875667 34.9061483314555, 136.99231293879 34.9063837378355, 136.992164577877 34.9069380072333, 136.992003125602 34.9075969144491)) ^^http://www.opengis.net/ont/geosparql#wktLiteral