メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.393957711003 43.0651518355494, 141.394774624543 43.0654649333676, 141.395638991269 43.0657804187694, 141.394967088829 43.06618640839, 141.394522421379 43.0663987160128, 141.393887837848 43.0667067971637, 141.393285828783 43.066989589179, 141.392883181558 43.0671731582576, 141.392439459827 43.066745112343, 141.391979030285 43.0663049836804, 141.39194527711 43.06633863021, 141.390552473774 43.065900785046, 141.390687790088 43.0655728678511, 141.390895609888 43.0651082129145, 141.390977666408 43.0649262524247, 141.391309679491 43.0641672139868, 141.392555812929 43.0646103512248, 141.393957711003 43.0651518355494)) ^^http://www.opengis.net/ont/geosparql#wktLiteral