メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.7062500 34.9833333, 133.7125000 34.9833333, 133.7125000 34.9875000, 133.7062500 34.9875000, 133.7062500 34.9833333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral