メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.917535678099 34.885577451237, 136.917685305316 34.8857215150564, 136.917701491044 34.8857392972915, 136.916466264862 34.8861574588061, 136.916658260179 34.8864152227334, 136.915735634807 34.8869155820032, 136.915761400187 34.8868256913831, 136.915808920231 34.8864456580468, 136.91579606655 34.8862596837281, 136.915794010584 34.8861349389645, 136.915663113054 34.8858470831514, 136.915575802632 34.8856659553442, 136.916237825322 34.8854400325438, 136.91607733482 34.8848070568551, 136.916951452978 34.8845617100124, 136.917161208889 34.8851282246206, 136.917535678099 34.885577451237)) ^^http://www.opengis.net/ont/geosparql#wktLiteral