メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.87366322383 37.6957538076119, 138.874235681267 37.6962294083236, 138.874252501005 37.6962359722728, 138.874753906267 37.6964720322681, 138.875049086983 37.6965520481373, 138.874540745927 37.6974252862796, 138.873771805977 37.6976131422953, 138.872954043557 37.697817762955, 138.872718906971 37.6971790429993, 138.872639507775 37.697227020498, 138.872358235264 37.6974210715534, 138.871926606554 37.697726677176, 138.871564750095 37.698007562451, 138.871232414074 37.6983294642952, 138.871009699615 37.6985078393466, 138.870625407185 37.6987778112979, 138.870105815189 37.6990980446099, 138.869476073241 37.6994663469375, 138.869384704084 37.6993624478185, 138.869496901822 37.6993081747666, 138.869828788658 37.699142978352, 138.870058155874 37.6989742996237, 138.870221393853 37.6988335618913, 138.870340145574 37.6986101803885, 138.870450733804 37.6983403645012, 138.870480645132 37.6982807168642, 138.870584982539 37.6980718818102, 138.87070503374 37.6978607447934, 138.87073190565 37.6978133554887, 138.870929067224 37.6974682266365, 138.871139885403 37.6970992615678, 138.871190630428 37.6970340574054, 138.871398192926 37.696767315301, 138.871609449292 37.6964957731071, 138.87168035049 37.6964047426556, 138.871785269576 37.6962602451166, 138.871839406945 37.6962179775482, 138.872070148215 37.6959819918784, 138.872622273824 37.6954707355776, 138.872797911931 37.6953857075005, 138.873247358443 37.6952977012836, 138.873388017458 37.695479296846, 138.87366322383 37.6957538076119)) ^^http://www.opengis.net/ont/geosparql#wktLiteral