メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.000148986118 35.0590286833341, 133.999041272169 35.0590917516612, 133.998965092321 35.0585656566781, 133.999790152659 35.0584730733068, 134.000072710904 35.058440048341, 134.000097123785 35.0586448491875, 134.000148986118 35.0590286833341)) ^^http://www.opengis.net/ont/geosparql#wktLiteral