メタデータ名 G20523426813
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.1187500 42.8291667, 143.1250000 42.8291667, 143.1250000 42.8333333, 143.1187500 42.8333333, 143.1187500 42.8291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral