メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.624316222656 34.9164662292909, 136.622382072524 34.9163623206945, 136.620910915856 34.916280798358, 136.621010145489 34.9153618741873, 136.621156486972 34.9135245014601, 136.622677648467 34.9136008318408, 136.623497407304 34.9136476983985, 136.625545865413 34.9137757260621, 136.625401592654 34.9142974445125, 136.625153838748 34.91517417169, 136.624755209914 34.9164985574713, 136.624316222656 34.9164662292909)) ^^http://www.opengis.net/ont/geosparql#wktLiteral