メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.343543899495 43.0144378751857, 144.343725818316 43.0149515207199, 144.343930085893 43.0155078669365, 144.344146870302 43.0160827616488, 144.344363407866 43.0165769245227, 144.34336308039 43.0167865233189, 144.34271013128 43.0169190809952, 144.341357801756 43.0172056380341, 144.341184698792 43.0166746688472, 144.340968519584 43.0161169177084, 144.340754346067 43.0155503392712, 144.340328566939 43.0144191041255, 144.340382202469 43.0144011753152, 144.341698313739 43.0141390603912, 144.343313283192 43.013844876965, 144.343543899495 43.0144378751857)) ^^http://www.opengis.net/ont/geosparql#wktLiteral