メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.998840789654 35.0616062405253, 133.997948633742 35.0617041203496, 133.9979246224 35.0614546027369, 133.997905481054 35.0612553092162, 133.999268541119 35.0611725361883, 134.000299146756 35.0611161565982, 134.000330881571 35.0614900053426, 133.998840789654 35.0616062405253)) ^^http://www.opengis.net/ont/geosparql#wktLiteral