メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.414552006764 33.1901895705296, 130.414482168788 33.1899628797862, 130.41521330713 33.1897563464793, 130.415270951027 33.1897816102656, 130.415301939194 33.189789732973, 130.415335403255 33.189816361505, 130.41545141092 33.1900492766241, 130.415493209355 33.1901012861745, 130.415463649203 33.1901556896936, 130.415375301775 33.1901804237499, 130.414819649682 33.1903299847588, 130.414654908828 33.1903264244312, 130.414593648423 33.1902715905076, 130.414552006764 33.1901895705296)) ^^http://www.opengis.net/ont/geosparql#wktLiteral