メタデータ名 G20674200762
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.0687500 42.3875000, 141.0750000 42.3875000, 141.0750000 42.3916667, 141.0687500 42.3916667, 141.0687500 42.3875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral