メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.921282972811 35.1046014060033, 136.921223915559 35.104547904162, 136.921146982957 35.1044468279981, 136.92096485298 35.1041404573102, 136.920894527762 35.1039944633953, 136.920832041021 35.103741930157, 136.920738066335 35.1034095401512, 136.920649903678 35.1029213765155, 136.9209372079 35.1028748432537, 136.920945043839 35.1028912684534, 136.921935046411 35.1029482742521, 136.922141176792 35.1030388373836, 136.922137169211 35.1030461536409, 136.921544812404 35.1041246593103, 136.921282972811 35.1046014060033)) ^^http://www.opengis.net/ont/geosparql#wktLiteral