メタデータ名 S18210221001
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.3562500 34.6666667, 137.3625000 34.6666667, 137.3625000 34.6708334, 137.3562500 34.6708334, 137.3562500 34.6666667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral