メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.302684555757 43.0711776041005, 141.302352885126 43.0713671373024, 141.302290363979 43.0714028385636, 141.301683247802 43.0717496648271, 141.301513795014 43.0718455244569, 141.301019757016 43.0721249944671, 141.300963046498 43.07215708653, 141.300446704325 43.0717371595327, 141.300004174207 43.0713771993023, 141.300554538339 43.0710654981756, 141.300632221607 43.0710233125163, 141.300989448986 43.0708252057098, 141.301522482279 43.070529531113, 141.301890656847 43.0703178686083, 141.302637958144 43.0698993414778, 141.303511966797 43.0707275943098, 141.303416935526 43.070781523904, 141.302684555757 43.0711776041005)) ^^http://www.opengis.net/ont/geosparql#wktLiteral