メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.758209368175 35.4150521462542, 136.757066166436 35.4150149893094, 136.757031116517 35.4150142726357, 136.757034367216 35.4147028848383, 136.7570723868 35.4147031184772, 136.757393108049 35.4146957839869, 136.75784553347 35.4146869908711, 136.757958649113 35.4146873714304, 136.757955955611 35.4147182418129, 136.75817719307 35.4147025068147, 136.758209368175 35.4150521462542)) ^^http://www.opengis.net/ont/geosparql#wktLiteral