メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.655607110383 42.659417118869, 141.656985587764 42.6598877754154, 141.658526144133 42.6604075015906, 141.660914447786 42.6612086902287, 141.663861121785 42.6622070935591, 141.663932366509 42.662231230272, 141.663015113568 42.6637525106475, 141.662418893379 42.6647386375322, 141.662270330441 42.6646814668897, 141.659369183207 42.6637216613908, 141.657001628818 42.6629204080002, 141.656964056848 42.6629078344594, 141.652530913837 42.661407330195, 141.653161841743 42.6604321246812, 141.654070444171 42.6588892135471, 141.655607110383 42.659417118869)) ^^http://www.opengis.net/ont/geosparql#wktLiteral