メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.547353599566 34.0672809352434, 134.547290445665 34.0674788306306, 134.547062608024 34.0681454545615, 134.546330958042 34.067982226087, 134.546548821784 34.0673780935936, 134.546566230644 34.0673759708411, 134.547353599566 34.0672809352434)) ^^http://www.opengis.net/ont/geosparql#wktLiteral