メタデータ名 labourForce
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.0250000 35.4333333, 135.0312500 35.4333333, 135.0312500 35.4375000, 135.0250000 35.4375000, 135.0250000 35.4333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral