メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.1562500 37.7125000, 139.1625000 37.7125000, 139.1625000 37.7166667, 139.1562500 37.7166667, 139.1562500 37.7125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral