メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.779582630873 35.4204377515034, 136.77932131931 35.4206447245232, 136.778092828503 35.4206729128202, 136.775609089633 35.4207562068257, 136.775652557113 35.4205373436083, 136.775672728163 35.4203328767785, 136.779286900338 35.4202145669147, 136.779271907806 35.4200034746616, 136.779552776441 35.4199969049284, 136.779554084042 35.4202004902389, 136.779807518009 35.4202012975142, 136.779582630873 35.4204377515034)) ^^http://www.opengis.net/ont/geosparql#wktLiteral