メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.700896406484 33.2081599418715, 130.701141244036 33.2082759585476, 130.700394182077 33.2087277061124, 130.700168841683 33.2086447059052, 130.700896406484 33.2081599418715)) ^^http://www.opengis.net/ont/geosparql#wktLiteral