メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.843701798714 37.6199872794586, 138.843261609206 37.6197582239756, 138.842831858852 37.62022830179, 138.842789990653 37.6204425643832, 138.841873527297 37.6203163918742, 138.841651164277 37.6202857800986, 138.841692403812 37.620208647778, 138.841862854275 37.6200113306166, 138.842482520668 37.6193040404348, 138.843254919545 37.6184331276935, 138.843609793445 37.6180739276543, 138.844411253865 37.6174788717321, 138.844414991522 37.6177077851766, 138.844387276499 37.6181778228579, 138.844296208889 37.6184586823537, 138.844126464523 37.6189499709244, 138.844223964279 37.6189974145128, 138.844165363661 37.6191707572557, 138.844059514805 37.6194235015123, 138.84396931505 37.619596231402, 138.843701798714 37.6199872794586)) ^^http://www.opengis.net/ont/geosparql#wktLiteral