メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.980107216166 33.7582997454938, 130.97986567286 33.7590790927714, 130.979639524729 33.7597582724943, 130.979056688064 33.7596586986763, 130.978423523912 33.7595306556469, 130.977907811148 33.7594452491923, 130.977923281383 33.7589035408816, 130.977951615147 33.7579800978764, 130.97797218143 33.7574683279676, 130.977987649852 33.7569266194367, 130.979841171306 33.7571359655501, 130.98044722078 33.7571968639329, 130.980107216166 33.7582997454938)) ^^http://www.opengis.net/ont/geosparql#wktLiteral