メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.854007145668 35.2055124760523, 136.85390991084 35.2058654762058, 136.853862250774 35.2064760772831, 136.853912891593 35.207032001059, 136.853274327152 35.2068509789826, 136.851858304477 35.206463565021, 136.853061471475 35.205251152613, 136.853423746915 35.2049940525527, 136.853492683188 35.2049451446264, 136.854536926276 35.2042558415164, 136.854732657804 35.2045314956606, 136.854360144262 35.2047691359443, 136.854170114894 35.2050779523529, 136.854007145668 35.2055124760523)) ^^http://www.opengis.net/ont/geosparql#wktLiteral