メタデータ名 field-0502
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.5062500 31.6500000, 130.5125000 31.6500000, 130.5125000 31.6541667, 130.5062500 31.6541667, 130.5062500 31.6500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral