メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.841896650709 35.1030204392706, 136.841722733214 35.1034306735619, 136.841560029888 35.103811146876, 136.841499635769 35.1039085185793, 136.84135758144 35.1042408797898, 136.841330239378 35.1042424262528, 136.840568848657 35.1042844651559, 136.840415832697 35.1042929261204, 136.840468921755 35.1038639185727, 136.840500573542 35.1034598528827, 136.840620590449 35.1022841187504, 136.841718453616 35.1022465811381, 136.842161264213 35.1024172771718, 136.841896650709 35.1030204392706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral