メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.617169190692 34.794220652042, 133.61636610458 34.794265366886, 133.616314349865 34.7939320831927, 133.617135583023 34.7938419789512, 133.617169190692 34.794220652042)) ^^http://www.opengis.net/ont/geosparql#wktLiteral