メタデータ名 G20513200471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.8937500 31.4458334, 130.9000000 31.4458334, 130.9000000 31.4500000, 130.8937500 31.4500000, 130.8937500 31.4458334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral