メタデータ名 dm012015507
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.8062500 31.3250000, 130.8125000 31.3250000, 130.8125000 31.3291667, 130.8062500 31.3291667, 130.8062500 31.3250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral