メタデータ名 C15303-19721201
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.7312500 31.9500000, 130.7375000 31.9500000, 130.7375000 31.9541667, 130.7312500 31.9541667, 130.7312500 31.9500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral