メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.4687500 34.9500000, 133.4750000 34.9500000, 133.4750000 34.9541667, 133.4687500 34.9541667, 133.4687500 34.9500000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral