メタデータ名 G20473052264
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1687500 35.0750000, 136.1750000 35.0750000, 136.1750000 35.0791667, 136.1687500 35.0791667, 136.1687500 35.0750000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral