メタデータ名 G20493044902
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7312500 42.6791667, 141.7375000 42.6791667, 141.7375000 42.6833333, 141.7312500 42.6833333, 141.7312500 42.6791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral