メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.383254707412 34.7767480523726, 137.383062640653 34.7769389646036, 137.382996179407 34.7768949951789, 137.382837588586 34.7767980859559, 137.382628712437 34.77668999769, 137.383363431229 34.775967818516, 137.384061354442 34.7754090910286, 137.384887664583 34.7761466815111, 137.384904473431 34.7761686248045, 137.38483873932 34.7761883195495, 137.384582274086 34.7763272300385, 137.384196758783 34.7765865180606, 137.384115339888 34.7765425757925, 137.383988369116 34.7766636516678, 137.383578195704 34.7769115738404, 137.383254707412 34.7767480523726)) ^^http://www.opengis.net/ont/geosparql#wktLiteral