メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.377839175151 43.048149711152, 141.378343835913 43.048585452351, 141.37771328002 43.0489817424776, 141.377686474539 43.048998838768, 141.377612250598 43.0490463092209, 141.377479075033 43.0491327143097, 141.377097548081 43.0493803215296, 141.376581091222 43.0489312632996, 141.376082356465 43.0485043512488, 141.376467535036 43.0482494608989, 141.376709914369 43.0481102275901, 141.377267897644 43.0477530563557, 141.377346542327 43.0477183498971, 141.377839175151 43.048149711152)) ^^http://www.opengis.net/ont/geosparql#wktLiteral