メタデータ名 population
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.4125000 40.6208334, 140.4187500 40.6208334, 140.4187500 40.6250000, 140.4125000 40.6250000, 140.4125000 40.6208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral