メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.700520736981 34.9083080138318, 135.699834030866 34.9084358989899, 135.699710557885 34.9084372826077, 135.699109743676 34.9080234996754, 135.699158592774 34.9079253737866, 135.699116711559 34.9070220225785, 135.699154289541 34.9062484585192, 135.700400650782 34.9070220438139, 135.700393620764 34.9072585958603, 135.700399680646 34.9074625718386, 135.700407565524 34.907628732339, 135.700520736981 34.9083080138318)) ^^http://www.opengis.net/ont/geosparql#wktLiteral