メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.169528862366 34.2372494997113, 135.169230867318 34.2371022514021, 135.169019003658 34.2373207180295, 135.168928629822 34.237249109182, 135.168530866531 34.237019619733, 135.168731762091 34.2367871344812, 135.168452339925 34.2366142316768, 135.168746395675 34.2362543239735, 135.169530620955 34.2362741297152, 135.169528862366 34.2372494997113)) ^^http://www.opengis.net/ont/geosparql#wktLiteral