メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.823747583384 35.222316005732, 136.823750560791 35.2221643179364, 136.82502302622 35.222030995756, 136.825020450665 35.2219646488046, 136.825019871065 35.2219493650543, 136.825417988753 35.2219895692332, 136.825973391511 35.2220247206837, 136.825984024928 35.2222781391092, 136.825540707601 35.222287389143, 136.823747583384 35.222316005732)) ^^http://www.opengis.net/ont/geosparql#wktLiteral