メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.994534995329 33.7274320491038, 135.994542342256 33.7274823440367, 135.994576246154 33.7278831553086, 135.99457925876 33.7281278684393, 135.993383802465 33.728079962887, 135.99297323136 33.7280672793358, 135.993006452617 33.7279487973532, 135.993045703231 33.7278403174622, 135.99305778384 33.7277243706575, 135.993051755093 33.7274341515421, 135.992948542643 33.7269676870545, 135.993221689242 33.7267325562072, 135.993287331843 33.7266759224781, 135.994292446594 33.7269188122953, 135.994508264593 33.7268593598497, 135.994510478724 33.7270960429513, 135.994534995329 33.7274320491038)) ^^http://www.opengis.net/ont/geosparql#wktLiteral