メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.722677343953 33.8230022333051, 130.722566423977 33.8230546734056, 130.722439778911 33.8231152483769, 130.722276614687 33.8232007468354, 130.722161168359 33.8232693767922, 130.722079508672 33.8233617510122, 130.721461942108 33.8225854384382, 130.721436386066 33.8225481879497, 130.722150153896 33.8222095035186, 130.72215614155 33.8222562183656, 130.722677343953 33.8230022333051)) ^^http://www.opengis.net/ont/geosparql#wktLiteral