メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.747476572064 35.4071389706646, 136.747449096534 35.4074454895703, 136.747443232335 35.4079140501931, 136.746581592766 35.4078905024968, 136.746170589355 35.4078890748119, 136.745096329002 35.4080225874328, 136.745094976114 35.4074804812892, 136.745098985669 35.407106489258, 136.746178692307 35.406982150441, 136.74700825317 35.4068866516235, 136.747471857152 35.4068864247366, 136.747476572064 35.4071389706646)) ^^http://www.opengis.net/ont/geosparql#wktLiteral