メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.097972679169 38.4787394083898, 141.09800775777 38.4789490741382, 141.09735203999 38.4790313552158, 141.097182205903 38.4782175351033, 141.097109350053 38.4778498726561, 141.097015667092 38.477854447758, 141.096962993641 38.4778593520552, 141.096835640569 38.4778749822703, 141.096803794385 38.4776484184356, 141.097066873964 38.477618123743, 141.09699132774 38.477223581304, 141.096649298271 38.4772463110686, 141.096612851403 38.4771584134821, 141.096592433367 38.4771021523362, 141.096574424007 38.4770363135664, 141.096554693462 38.476953446, 141.096490924326 38.4766883831786, 141.097351525182 38.4765886108998, 141.097366628482 38.4766367189422, 141.097522082188 38.4766115929847, 141.097561815452 38.4768156169681, 141.097558004241 38.4768384294975, 141.0975612105 38.4768458836249, 141.097585264063 38.4768497708123, 141.097603873294 38.476857892871, 141.097616157775 38.476869549079, 141.097622977935 38.4768799500405, 141.097738250493 38.4772779223106, 141.097473520577 38.4773039987969, 141.097582864557 38.4774819634772, 141.097692222203 38.4781856973974, 141.097721207195 38.4782890958778, 141.097824620301 38.4784057003141, 141.09791633594 38.4784503983326, 141.097972679169 38.4787394083898)) ^^http://www.opengis.net/ont/geosparql#wktLiteral