メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.752738356451 35.4063567829559, 136.752852279697 35.4068621587879, 136.751921701627 35.4071344659708, 136.751550419526 35.4072541085739, 136.751494489131 35.406998148657, 136.751391352319 35.4065380179612, 136.751591411562 35.406504971241, 136.751492670007 35.4061690775552, 136.751955399806 35.4061036907919, 136.752230145742 35.4060647726985, 136.752663853199 35.4059979455268, 136.752738356451 35.4063567829559)) ^^http://www.opengis.net/ont/geosparql#wktLiteral