メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.684137707656 33.2685505681678, 129.684136443443 33.2686286761461, 129.684131154462 33.2687986003029, 129.684169491019 33.2689767387523, 129.683632179512 33.2688382639118, 129.683497190229 33.2688242990284, 129.683524995528 33.2686732223958, 129.683377265099 33.2685081529578, 129.683521854522 33.2684103226772, 129.683390565898 33.26824744767, 129.683702306626 33.267686649908, 129.683933709365 33.2677890782095, 129.684274285838 33.267934423792, 129.684194805948 33.2683005599087, 129.684138915425 33.2684752772131, 129.684137707656 33.2685505681678)) ^^http://www.opengis.net/ont/geosparql#wktLiteral