メタデータ名 age
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1500000 41.8250000, 141.1562500 41.8250000, 141.1562500 41.8291667, 141.1500000 41.8291667, 141.1500000 41.8250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral