メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.823939675784 35.2325977296817, 136.823033064513 35.232594184025, 136.822073624229 35.2325904827285, 136.82206199116 35.2330673650116, 136.821022053414 35.2330624389362, 136.820066019979 35.2330412633231, 136.820090931136 35.2320402488777, 136.820097583263 35.2316025086086, 136.820305340398 35.2316021148614, 136.821416099745 35.2316102061106, 136.822287856783 35.2316273984641, 136.823169984699 35.2316337680399, 136.823932923087 35.2316390208317, 136.823941950554 35.2320577908787, 136.823939675784 35.2325977296817)) ^^http://www.opengis.net/ont/geosparql#wktLiteral