メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((124.2937500 24.5583333, 124.3000000 24.5583333, 124.3000000 24.5625000, 124.2937500 24.5625000, 124.2937500 24.5583333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral