メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.855730502671 35.4001205910352, 136.85569084001 35.400483442595, 136.855638150585 35.4009522461657, 136.855516765717 35.400948198668, 136.854083109778 35.4009377108978, 136.854150622851 35.4005026078044, 136.854156200215 35.4004670593159, 136.854218553189 35.4000704641951, 136.854336962158 35.3992710594923, 136.854386397452 35.3987276012932, 136.855425305691 35.3988014298293, 136.855866199101 35.3988339824228, 136.855862831214 35.3988599592705, 136.855730502671 35.4001205910352)) ^^http://www.opengis.net/ont/geosparql#wktLiteral