メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.976451142315 43.543731189918, 144.97698502558 43.5440753471273, 144.976125978057 43.5447774859532, 144.976016308249 43.5447122464775, 144.975601441609 43.5444391137347, 144.975361735994 43.5442899569705, 144.974932266802 43.5439972360219, 144.973767312363 43.5432323186396, 144.973231049298 43.5428819450493, 144.972355621335 43.5423113985535, 144.973218411467 43.5416191483914, 144.976451142315 43.543731189918)) ^^http://www.opengis.net/ont/geosparql#wktLiteral