メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.748758329491 35.4193529269978, 136.748685428067 35.4195522477538, 136.746854768348 35.4192434102497, 136.74691743814 35.4190356753727, 136.746959481732 35.4188572693254, 136.747230517497 35.4189044026471, 136.747213232807 35.4189527925693, 136.747375113095 35.418981483996, 136.747387886618 35.4189317760002, 136.747772760892 35.4189986989308, 136.747787301582 35.4189481163425, 136.748802960799 35.4191306553594, 136.748758329491 35.4193529269978)) ^^http://www.opengis.net/ont/geosparql#wktLiteral