メタデータ名 G20523667972
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.3500000 44.3375000, 143.3562500 44.3375000, 143.3562500 44.3416667, 143.3500000 44.3416667, 143.3500000 44.3375000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral