メタデータ名 G20523412194
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.6687500 45.2666667, 141.6750000 45.2666667, 141.6750000 45.2708334, 141.6687500 45.2708334, 141.6687500 45.2666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral