メタデータ名 G20513017471
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.388750462942 42.9840215120234, 144.387206419157 42.9837518610912, 144.387401602127 42.983143121842, 144.388944306199 42.9834132203337, 144.388750462942 42.9840215120234)) ^^http://www.opengis.net/ont/geosparql#wktLiteral