メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.652199942688 35.0800094554408, 136.651527793251 35.0803242060149, 136.651084490941 35.0804483510627, 136.650641027912 35.0805521426354, 136.649889800187 35.0807488527211, 136.648600775126 35.081087242354, 136.648107639958 35.0811507254402, 136.647556893616 35.0812145140953, 136.647373574377 35.0798764318169, 136.647939072475 35.0797939026402, 136.64794344483 35.0798268386302, 136.649440029442 35.0795373457887, 136.650031347141 35.0794055824745, 136.65057235241 35.0791524620352, 136.651227416434 35.0787635108114, 136.651501564926 35.0790933881652, 136.652199942688 35.0800094554408)) ^^http://www.opengis.net/ont/geosparql#wktLiteral