メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.0000000 33.8708334, 134.0062500 33.8708334, 134.0062500 33.8750000, 134.0000000 33.8750000, 134.0000000 33.8708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral