メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.381273741826 43.036572165161, 141.380891077127 43.0365467556175, 141.380792002427 43.0370250239121, 141.38072158257 43.0374158083438, 141.380317972907 43.0373862993279, 141.3791621224 43.0373018386284, 141.379222083351 43.0369260266397, 141.379226170839 43.036880976033, 141.379262486814 43.0365431737128, 141.379291128684 43.0364567444178, 141.379294534504 43.0364396101402, 141.379340989998 43.0360219894863, 141.380910443542 43.0361455963804, 141.380970087797 43.0362197553683, 141.381273741826 43.036572165161)) ^^http://www.opengis.net/ont/geosparql#wktLiteral