メタデータ名 G20533845694
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.2937500 45.1250000, 141.3000000 45.1250000, 141.3000000 45.1291667, 141.2937500 45.1291667, 141.2937500 45.1250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral