メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.403693631646 43.0389005912305, 141.403849439155 43.0390469048885, 141.403858557747 43.0390554758499, 141.404098955297 43.0392814715766, 141.404328519178 43.0394889545528, 141.404652598874 43.0397820239298, 141.403453030431 43.0402080880644, 141.403040018905 43.0403651767387, 141.402404458283 43.040076761363, 141.402388355876 43.0400693980254, 141.40184785069 43.0398065798496, 141.401349267567 43.0395633401484, 141.401101551256 43.0394492571025, 141.400343050207 43.0391082259187, 141.401217787527 43.0387721314353, 141.401252313459 43.0387575478791, 141.401698164698 43.0385685669349, 141.402302996178 43.0383504484192, 141.402318317824 43.0383448651526, 141.402872796711 43.0381556284483, 141.403342998938 43.0385868569815, 141.403693631646 43.0389005912305)) ^^http://www.opengis.net/ont/geosparql#wktLiteral