メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.82694495315 35.5143432332321, 137.826882481044 35.5143731270938, 137.82690299078 35.5144029445721, 137.82680528401 35.5144403266544, 137.826997570604 35.5147230443686, 137.826511934959 35.5149501454059, 137.826437216709 35.5149926519298, 137.826237066245 35.514733848804, 137.826066536463 35.5145063796149, 137.826176160941 35.5144562121542, 137.82653915272 35.5142698323247, 137.826816579682 35.5141530351295, 137.82694495315 35.5143432332321)) ^^http://www.opengis.net/ont/geosparql#wktLiteral