メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.980915990279 43.5467386247153, 144.980839063011 43.5466878651125, 144.980220701319 43.5462893850652, 144.979755959373 43.5459914065419, 144.979247603637 43.5456309362671, 144.9798232476 43.545122805705, 144.97990064825 43.5451541462814, 144.98015405273 43.5448829889504, 144.980769480652 43.5451185064884, 144.980924534006 43.5448402757214, 144.982148104662 43.5456416536987, 144.982215349552 43.5456835370305, 144.980915990279 43.5467386247153)) ^^http://www.opengis.net/ont/geosparql#wktLiteral