メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.31855774686 38.2200878441487, 140.319075025723 38.2200599845365, 140.319604512641 38.2200273900563, 140.319633599114 38.2206628528488, 140.319675092858 38.2214247878544, 140.319696415923 38.2215966312821, 140.319697943334 38.2224213204953, 140.319204503743 38.2223749554876, 140.318671181969 38.2223350312799, 140.317686094759 38.2222352598705, 140.317405071458 38.2222372632598, 140.316652925561 38.2222169211775, 140.315796991825 38.2221996359935, 140.314437662084 38.222144081077, 140.314419337072 38.2216767543848, 140.314400370258 38.2207966607501, 140.314390918603 38.2203300777358, 140.314956747159 38.2203006209429, 140.315301561777 38.2202852497855, 140.31685644634 38.2201873623384, 140.317526282136 38.2201482147276, 140.318093938833 38.2201122755199, 140.31855774686 38.2200878441487)) ^^http://www.opengis.net/ont/geosparql#wktLiteral