メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.085852505132 35.1372682054657, 136.085131793121 35.1368645536823, 136.08589436287 35.1358877503484, 136.085951663968 35.1359213019644, 136.086157940109 35.1356542359926, 136.085843973522 35.1354764289396, 136.086394493432 35.1347531726908, 136.086671373588 35.1349140331872, 136.087004048983 35.1351130922474, 136.087428056652 35.1353520852902, 136.086642190762 35.1363075033291, 136.085852505132 35.1372682054657)) ^^http://www.opengis.net/ont/geosparql#wktLiteral