メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.765442613873 33.8925816447762, 130.765388698925 33.8926991758791, 130.765342514871 33.8928684950914, 130.765179934471 33.8928936145403, 130.765037830435 33.8928510081692, 130.765028554941 33.8925290815284, 130.765111581752 33.8924611940042, 130.765289028981 33.8925757871014, 130.765352577763 33.8926030978383, 130.765403294981 33.8925666370344, 130.765442613873 33.8925816447762)) ^^http://www.opengis.net/ont/geosparql#wktLiteral