メタデータ名 G20493053243
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1250000 42.4875000, 141.1312500 42.4875000, 141.1312500 42.4916667, 141.1250000 42.4916667, 141.1250000 42.4875000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral