メタデータ名 G20473033244
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0937500 38.7291667, 141.1000000 38.7291667, 141.1000000 38.7333333, 141.0937500 38.7333333, 141.0937500 38.7291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral