メタデータ名 G20574161883
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.5937500 37.8000000, 140.6000000 37.8000000, 140.6000000 37.8041667, 140.5937500 37.8041667, 140.5937500 37.8000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral