メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.701841179681 34.9079870954584, 135.701637797469 34.9080894898793, 135.701536907255 34.9081112847847, 135.700520736981 34.9083080138318, 135.700407565524 34.907628732339, 135.700399680646 34.9074625718386, 135.700393620764 34.9072585958603, 135.700400650782 34.9070220438139, 135.701186427951 34.9075100869803, 135.701841179681 34.9079870954584)) ^^http://www.opengis.net/ont/geosparql#wktLiteral