メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.966189138191 36.378202930119, 139.966481509852 36.379652651828, 139.966705747935 36.3807818592783, 139.966655999068 36.3807907182956, 139.964602983475 36.3812038076725, 139.964092590294 36.3811260479047, 139.964090955949 36.3811258370379, 139.96409208512 36.381097355109, 139.963932212001 36.3788404443123, 139.963929926893 36.3787951013424, 139.96384113137 36.377036150817, 139.963839395071 36.37696714709, 139.964472628596 36.3768814769145, 139.96588254554 36.3766906698666, 139.965908096194 36.3766874355656, 139.966189138191 36.378202930119)) ^^http://www.opengis.net/ont/geosparql#wktLiteral