メタデータ名 G20583977442
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.7125000 42.8166667, 141.7187500 42.8166667, 141.7187500 42.8208334, 141.7125000 42.8208334, 141.7125000 42.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral