メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.92525367629 35.1053337497531, 136.925272802578 35.1052989269931, 136.926205147343 35.1055212248957, 136.926227049411 35.1055264808186, 136.926150458139 35.105687040382, 136.926152844214 35.1060569232113, 136.926122657315 35.106057145098, 136.925252826106 35.1060512504255, 136.924817460818 35.1060522081059, 136.924083973801 35.1060538317775, 136.924101068982 35.1057286385898, 136.924148927589 35.1054906950632, 136.924261586341 35.1050887179601, 136.92525367629 35.1053337497531)) ^^http://www.opengis.net/ont/geosparql#wktLiteral