メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.869291277978 37.5249763344346, 139.869695851684 37.5241905705482, 139.869704387636 37.5241739897918, 139.870241119722 37.5237224339647, 139.870664329445 37.5229170984947, 139.871079922548 37.5225111962648, 139.871183832532 37.5224119028973, 139.871433039536 37.5218735665345, 139.872787065554 37.5220160129844, 139.87312194688 37.522022654849, 139.873202864298 37.5220241746759, 139.870548257079 37.5265684774951, 139.868794533312 37.5259144835846, 139.868890744644 37.5257542293131, 139.869291277978 37.5249763344346)) ^^http://www.opengis.net/ont/geosparql#wktLiteral