メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.8258802885 34.9296567866338, 134.826155416689 34.9299463415766, 134.825970902011 34.9300935789805, 134.825610179266 34.9303906963889, 134.82552122496 34.9303021719909, 134.825071737836 34.9298704152398, 134.824953802565 34.9297618635939, 134.825039951305 34.9293242886308, 134.825067992029 34.9292440269421, 134.825560617315 34.9293541696437, 134.8258802885 34.9296567866338)) ^^http://www.opengis.net/ont/geosparql#wktLiteral