メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.183850651733 34.226573826023, 135.183600597566 34.2267751482205, 135.183043648076 34.2264237757611, 135.180830581556 34.2263589875289, 135.180839490169 34.2259549026495, 135.18155972967 34.2259916935894, 135.182181372595 34.2260264130696, 135.182799709143 34.2260611074134, 135.183518353647 34.2260964673397, 135.183747652351 34.2262450603552, 135.183846276387 34.2261211913044, 135.184163421117 34.2263141787286, 135.183850651733 34.226573826023)) ^^http://www.opengis.net/ont/geosparql#wktLiteral