メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.963790924255 34.9162587666605, 136.96381399616 34.9171207816593, 136.96311430479 34.9175383810148, 136.962909152395 34.9168709369533, 136.962663985788 34.9161618729503, 136.963146325215 34.9154515621643, 136.963185128404 34.9153878892792, 136.963203351086 34.9153402401239, 136.963224028676 34.9152766071984, 136.963348399952 34.9152718850954, 136.964000175075 34.9153803065817, 136.963932240437 34.915503513996, 136.963893348175 34.915611909721, 136.963843318842 34.9158157173625, 136.963807789569 34.9160334933851, 136.963790924255 34.9162587666605)) ^^http://www.opengis.net/ont/geosparql#wktLiteral