メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.336420255768 34.826780976313, 137.336284298591 34.8267499611497, 137.336198016556 34.8268684033202, 137.335297758219 34.8264039434052, 137.336239217833 34.82660951437, 137.33643107979 34.8263884494132, 137.336650306183 34.8264753424175, 137.336420255768 34.826780976313)) ^^http://www.opengis.net/ont/geosparql#wktLiteral