メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.962556826203 43.5458967830279, 144.962434178223 43.5458135190899, 144.962588741223 43.545698992173, 144.962497715159 43.5456482037829, 144.96236206494 43.5455724922985, 144.962672875949 43.5453077463973, 144.962733028599 43.5453642253832, 144.963038005577 43.5451246508457, 144.963133720636 43.5451894271496, 144.963274621692 43.5452830847494, 144.963287934341 43.5452910312723, 144.963327615722 43.5453178642794, 144.963455434709 43.5454043437251, 144.963799662799 43.5456254409397, 144.963964864711 43.5457348694023, 144.964166739026 43.5458687419137, 144.963880503093 43.5460994009203, 144.963671832431 43.5459821085419, 144.963380970436 43.5462045441719, 144.962702248272 43.5457638738185, 144.962556826203 43.5458967830279)) ^^http://www.opengis.net/ont/geosparql#wktLiteral