メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7125000 34.4666667, 136.7187500 34.4666667, 136.7187500 34.4708334, 136.7125000 34.4708334, 136.7125000 34.4666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral