メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.221152607906 42.9458176928866, 143.221757718952 42.9458652285288, 143.222642142719 42.9459345071754, 143.222593996784 42.9462571727724, 143.22258644186 42.9463123061802, 143.222527784507 42.9467395720822, 143.222474482279 42.9471300106334, 143.222415692205 42.947561075712, 143.222346781361 42.9479998932715, 143.222312119197 42.9483399563193, 143.221387110582 42.9482915579602, 143.221223657298 42.9482834524132, 143.220245075507 42.9482197253374, 143.220064713778 42.9482079595275, 143.218970699813 42.9481397112976, 143.219006878021 42.9477790310524, 143.219011922771 42.947728490685, 143.219122648927 42.9468963152876, 143.219234765619 42.9460675027502, 143.219239224822 42.9460344804505, 143.219305459182 42.9456677075531, 143.219972313874 42.9457208595044, 143.220149738463 42.9457349006103, 143.220592098002 42.9457698359232, 143.221101038219 42.9458136288547, 143.221152607906 42.9458176928866)) ^^http://www.opengis.net/ont/geosparql#wktLiteral