メタデータ名 maritalStatus-4
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.2625000 33.5541667, 131.2687500 33.5541667, 131.2687500 33.5583333, 131.2625000 33.5583333, 131.2625000 33.5541667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral