メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.979926532776 43.5585365016661, 144.980243695269 43.5582757402443, 144.980355000907 43.5581882759492, 144.980859489409 43.5584991542975, 144.979687911337 43.5594139740985, 144.979229351624 43.5591095521653, 144.978828733934 43.5588504006677, 144.978752433014 43.5588009964056, 144.978709132407 43.5587714425619, 144.979425872752 43.558211814272, 144.979926532776 43.5585365016661)) ^^http://www.opengis.net/ont/geosparql#wktLiteral