メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.995269092212 34.8960232248133, 136.995342331645 34.8961492546342, 136.995394513652 34.8962440543379, 136.995611981621 34.8964879726075, 136.996170894287 34.8970783156344, 136.995886601006 34.8972812408981, 136.9957090974 34.8974001557144, 136.995335081064 34.8976062644027, 136.994625401098 34.8967921647421, 136.994425611823 34.8965767926262, 136.994366637776 34.8965015611951, 136.99372178573 34.8958024159136, 136.993708333037 34.8957717607022, 136.994471514776 34.8952327329299, 136.995269092212 34.8960232248133)) ^^http://www.opengis.net/ont/geosparql#wktLiteral