メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.158954627775 34.6684827348167, 135.158625441392 34.6688455615519, 135.158161479345 34.6685467097624, 135.15752418287 34.6680980315889, 135.15779665699 34.6681364707848, 135.158231557217 34.668186908104, 135.158523866472 34.6682309870411, 135.158783390371 34.6682697939891, 135.159059795031 34.6683603220493, 135.158954627775 34.6684827348167)) ^^http://www.opengis.net/ont/geosparql#wktLiteral