メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.419198695076 34.7716230814375, 135.419436023482 34.7716606814558, 135.419566238571 34.7716785334457, 135.420003443969 34.7717354748027, 135.420158424791 34.7717545128945, 135.420061409743 34.7722624457182, 135.419950910065 34.7727704989043, 135.418960820931 34.7726156736084, 135.417986561761 34.7725353499671, 135.418008704054 34.7724147241854, 135.418020326281 34.7722663040928, 135.418054658564 34.7720338745236, 135.418112474425 34.7715295321497, 135.419198695076 34.7716230814375)) ^^http://www.opengis.net/ont/geosparql#wktLiteral