メタデータ名 G20503056461
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.9562500 35.4291667, 136.9625000 35.4291667, 136.9625000 35.4333333, 136.9562500 35.4333333, 136.9562500 35.4291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral