メタデータ名 G20553821552
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.707510627043 44.3723711118465, 141.706957659481 44.3727350591015, 141.705853094143 44.3718577766439, 141.706387796971 44.3715128369842, 141.707510627043 44.3723711118465)) ^^http://www.opengis.net/ont/geosparql#wktLiteral