メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.5437500 33.4208334, 130.5500000 33.4208334, 130.5500000 33.4250000, 130.5437500 33.4250000, 130.5437500 33.4208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral