メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.160144390757 35.0734382458784, 137.159430054292 35.0733886802911, 137.159131614178 35.0733821025768, 137.158553183659 35.073336479156, 137.158257231011 35.0733270815853, 137.158335434392 35.073164757689, 137.15867042898 35.0724751797917, 137.158720847356 35.0723529252104, 137.158843425296 35.0721827881348, 137.158996924541 35.0720511064433, 137.159144689982 35.0719354113007, 137.159393736215 35.0718139501528, 137.159534144606 35.071756777899, 137.159678461147 35.0717342531349, 137.159908663678 35.0716846210091, 137.159921069237 35.0716819455592, 137.160067763895 35.0716851254744, 137.160144390757 35.0734382458784)) ^^http://www.opengis.net/ont/geosparql#wktLiteral