メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.467140778533 36.448769937111, 136.465978282842 36.4490021496609, 136.464864635489 36.4492485519231, 136.464466285278 36.4481675450983, 136.466379393081 36.4477784503206, 136.46732805713 36.4475686900476, 136.467328367685 36.4475339803108, 136.468377221455 36.4475228677697, 136.468400352169 36.4485381837327, 136.468133151518 36.448556203714, 136.467140778533 36.448769937111)) ^^http://www.opengis.net/ont/geosparql#wktLiteral