メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.358840087832 40.8318317159321, 140.361701204612 40.831971285014, 140.365475674947 40.8321875929355, 140.365691447616 40.8396583130643, 140.36570370373 40.8400834564743, 140.361562566622 40.8392617905963, 140.36001431373 40.838925548109, 140.357578384902 40.8384297171175, 140.35024575307 40.8370919436301, 140.346517821085 40.8365568987029, 140.346526491364 40.8364033472856, 140.350860272267 40.8316128024026, 140.354560723601 40.8278931120507, 140.354745949335 40.8280770906821, 140.358840087832 40.8318317159321)) ^^http://www.opengis.net/ont/geosparql#wktLiteral