メタデータ名 S271200250
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.7000000 35.7791667, 137.7062500 35.7791667, 137.7062500 35.7833333, 137.7000000 35.7833333, 137.7000000 35.7791667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral