メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.351280644197 43.7704198980344, 142.351564956344 43.7709470844888, 142.350509694219 43.7712600132935, 142.350039975682 43.7713958533678, 142.349735531413 43.7708553713314, 142.349664484478 43.7707387375908, 142.349432953104 43.7703189477717, 142.350989863637 43.7698647103008, 142.351280644197 43.7704198980344)) ^^http://www.opengis.net/ont/geosparql#wktLiteral