メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.853773735136 35.158348540249, 136.853773673614 35.158347694556, 136.85251619295 35.158382071625, 136.852516113565 35.1583804515668, 136.851895965647 35.1583985023797, 136.85189104456 35.1582456710446, 136.852507643572 35.1582302160398, 136.853766034297 35.1581985885425, 136.854359112819 35.1581836271102, 136.854370744638 35.1583487302442, 136.853800838905 35.158374947504, 136.853792068138 35.158347601076, 136.853773735136 35.158348540249)) ^^http://www.opengis.net/ont/geosparql#wktLiteral