メタデータ名 C25364-19810501
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.6187500 31.1958334, 130.6250000 31.1958334, 130.6250000 31.2000000, 130.6187500 31.2000000, 130.6187500 31.1958334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral