メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.224359134428 34.6562797075909, 135.21935165265 34.6542473612324, 135.217291796032 34.6534081810909, 135.216827585652 34.653217872532, 135.215023753035 34.6524780681298, 135.214237633697 34.6521569700079, 135.217235550505 34.6501677608194, 135.225162365466 34.65032181036, 135.227901308318 34.6504008790805, 135.226285848006 34.6531059145501, 135.225211376748 34.6548919541607, 135.22522417149 34.6560840630292, 135.224980787734 34.6565320767034, 135.224359134428 34.6562797075909)) ^^http://www.opengis.net/ont/geosparql#wktLiteral