メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.365099865635 43.0619432152456, 141.364836308708 43.0619084740424, 141.364408663324 43.0618521366267, 141.364391622654 43.0618498244383, 141.364413597034 43.0617625047231, 141.364478191839 43.0615062309655, 141.364692917739 43.0606614027718, 141.365427414404 43.060762378376, 141.366210499543 43.060879689827, 141.36626457934 43.0608874217041, 141.366183697777 43.0612231843956, 141.36610579448 43.0615184600912, 141.366074457825 43.0616300425786, 141.365973607772 43.0620336589296, 141.365907240178 43.0620266764132, 141.365099865635 43.0619432152456)) ^^http://www.opengis.net/ont/geosparql#wktLiteral