メタデータ名 G20492917144
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.5437500 38.9125000, 141.5500000 38.9125000, 141.5500000 38.9166667, 141.5437500 38.9166667, 141.5437500 38.9125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral