メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.177134434944 34.6694487652615, 135.177669256638 34.6694653391265, 135.177616179178 34.6701485845942, 135.177523461787 34.6701514815555, 135.177100675269 34.6701544137517, 135.17606503357 34.670247231954, 135.176053335185 34.6699002384194, 135.176047103592 34.6698236552858, 135.17602887621 34.6693707849061, 135.17634248514 34.6693618516807, 135.17713358907 34.6693653837008, 135.177134434944 34.6694487652615)) ^^http://www.opengis.net/ont/geosparql#wktLiteral