メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.702534658627 34.8298820576228, 134.702776900853 34.8301247208952, 134.70300859805 34.830387206243, 134.703329029083 34.8308089412137, 134.703150396699 34.8308669566719, 134.702222719673 34.831195307775, 134.70211893798 34.8308688342313, 134.701435480723 34.8309265523353, 134.701204866741 34.8302368389674, 134.701206854406 34.8301937318567, 134.701170461787 34.8300960858626, 134.701080128949 34.8298539444659, 134.700860542595 34.8292037090989, 134.701574827887 34.8290232123494, 134.702377390766 34.8297132959404, 134.702534658627 34.8298820576228)) ^^http://www.opengis.net/ont/geosparql#wktLiteral