メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.340625715485 37.4564211772741, 140.340662664653 37.4561191538025, 140.340638720909 37.4558751173158, 140.340615466127 37.4557331550372, 140.340475550288 37.4551909899019, 140.340595712025 37.455030530816, 140.340647912463 37.4550386147751, 140.340804279076 37.4550156973019, 140.341005907984 37.4550065250349, 140.341238801711 37.4549917250142, 140.34152045205 37.4549848823471, 140.341422938246 37.4552167698115, 140.341348288285 37.4554015328716, 140.341212268766 37.4556586449826, 140.341024847531 37.4559280884311, 140.34089064765 37.4561412660785, 140.340625715485 37.4564211772741)) ^^http://www.opengis.net/ont/geosparql#wktLiteral