メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.345376801204 43.099546635843, 141.345271016969 43.0999065835721, 141.345188403746 43.1002244472894, 141.343721406146 43.1000237797839, 141.343801155167 43.099698791027, 141.343902766903 43.0993426096844, 141.344016705837 43.0988727337217, 141.345499440797 43.0990652927513, 141.345487091973 43.0991218098306, 141.345461675785 43.0992380025167, 141.345376801204 43.099546635843)) ^^http://www.opengis.net/ont/geosparql#wktLiteral