メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.617438182938 35.4525319627935, 139.617424196949 35.452630104703, 139.617331753743 35.4526262797684, 139.61729623073 35.4529282488232, 139.617109229891 35.4528900688497, 139.617067569596 35.4528678463385, 139.616736847706 35.4526165976958, 139.61670286369 35.4525556590005, 139.616681084605 35.4525333327932, 139.616630711607 35.4523727560199, 139.616834863841 35.4522219611883, 139.616988312574 35.4523359966053, 139.617131306067 35.4524172345472, 139.61744916807 35.4524781112167, 139.617438182938 35.4525319627935)) ^^http://www.opengis.net/ont/geosparql#wktLiteral