メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.772172500546 35.4484131758465, 136.772172984123 35.4486404245552, 136.77217285617 35.4486666903768, 136.771822762051 35.448704986573, 136.771816530653 35.4486681719525, 136.770344359093 35.4488430862818, 136.770335134503 35.4488024247165, 136.769868296901 35.4488593122521, 136.769876580341 35.4488986682592, 136.769463007039 35.4489478069605, 136.769427489026 35.4487500213362, 136.769415091713 35.4486810046527, 136.769385311081 35.4485152439204, 136.772159252669 35.4481648662627, 136.772172500546 35.4484131758465)) ^^http://www.opengis.net/ont/geosparql#wktLiteral