メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.000705083837 34.8976534457659, 137.000492976978 34.8980114933286, 137.000239810879 34.8978691639696, 137.000001823095 34.8977407295045, 136.998920921491 34.898427957361, 136.998667932694 34.8984928245, 136.998341712474 34.8981310772229, 136.998130117495 34.8979045683804, 136.998030627588 34.8978055497009, 136.997854967294 34.8977719221208, 136.998142525657 34.8972091786662, 136.998215550569 34.8970241241417, 136.998245518891 34.8968328130977, 136.998214960667 34.8961007401694, 136.998679699665 34.8963747165591, 136.999448427155 34.8968516597686, 137.000172388923 34.8973033939114, 137.000705083837 34.8976534457659)) ^^http://www.opengis.net/ont/geosparql#wktLiteral