メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.09507917468 35.8595941645874, 140.094829956399 35.8596242901796, 140.094045946042 35.8597274174446, 140.093654877367 35.858206016921, 140.100711326249 35.8571611276733, 140.101142604381 35.8588658046378, 140.100872500338 35.8588952137536, 140.099732547637 35.8590331701076, 140.098255550695 35.8592118907633, 140.09795063616 35.8592512287476, 140.096513138509 35.8594366627721, 140.09600198751 35.8595026060177, 140.095125913538 35.8595898367922, 140.09507917468 35.8595941645874)) ^^http://www.opengis.net/ont/geosparql#wktLiteral