メタデータ名 G20614005994
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.1750000 39.4125000, 141.1812500 39.4125000, 141.1812500 39.4166667, 141.1750000 39.4166667, 141.1750000 39.4125000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral