メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.223466382788 35.2329462861779, 136.2235340838 35.2330466575449, 136.223747233951 35.2333810653346, 136.223421690954 35.2335389133344, 136.22269414972 35.2339334085631, 136.22178783244 35.2344068841318, 136.221688860292 35.234271989616, 136.221483167486 35.2340168633342, 136.221277851732 35.2337505376601, 136.221126073173 35.2335372155861, 136.221061509788 35.2334532459428, 136.221927811518 35.2330095659081, 136.222680867373 35.232594042777, 136.223062790031 35.2323853189082, 136.223466382788 35.2329462861779)) ^^http://www.opengis.net/ont/geosparql#wktLiteral