メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.6854821148 36.0589680044647, 139.685884749415 36.0594251460794, 139.686067687463 36.0597642297763, 139.686154763367 36.0599535398425, 139.68618687642 36.0601319651807, 139.68623165956 36.0602191832344, 139.686572760754 36.0607243479375, 139.686297514529 36.0608612461882, 139.68558082381 36.0599967659147, 139.684952793748 36.059217302418, 139.684304986573 36.0584698631703, 139.684584662067 36.0582226625117, 139.684857762992 36.058417432822, 139.685173990572 36.0585919077782, 139.6854821148 36.0589680044647)) ^^http://www.opengis.net/ont/geosparql#wktLiteral