メタデータ名 G20574076922
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.1562500 42.4166667, 143.1625000 42.4166667, 143.1625000 42.4208334, 143.1562500 42.4208334, 143.1562500 42.4166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral