メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.184392978349 34.6856880831925, 135.184401047401 34.6856767582879, 135.184994023794 34.68603320087, 135.184977839663 34.6860513437504, 135.184757294759 34.6863616440285, 135.184550157653 34.6866493124366, 135.183910798092 34.6862931907642, 135.183463927887 34.6860493789047, 135.183005383233 34.6857991941025, 135.183293953698 34.6854703932496, 135.183553019691 34.6851913791385, 135.184392978349 34.6856880831925)) ^^http://www.opengis.net/ont/geosparql#wktLiteral