メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.606852382557 36.501746107071, 136.604893014501 36.5013249089042, 136.604945075791 36.5011441683202, 136.605087878622 36.5003648611168, 136.605187217058 36.4997956225919, 136.605204884438 36.499673617174, 136.605229419092 36.4995426335528, 136.605360803198 36.4996025677231, 136.606060648303 36.4995799358439, 136.606570016738 36.499449636326, 136.607022813924 36.4993273777755, 136.607182752228 36.4992792970634, 136.607016258233 36.5005072752533, 136.606852382557 36.501746107071)) ^^http://www.opengis.net/ont/geosparql#wktLiteral