メタデータ名 G20513771992
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.6187500 31.2708334, 130.6250000 31.2708334, 130.6250000 31.2750000, 130.6187500 31.2750000, 130.6187500 31.2708334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral