メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.191817646208 36.2286554607334, 137.192125319296 36.2289379258228, 137.192599691185 36.2293470414328, 137.192985558546 36.229651192502, 137.19293661249 36.2297090811221, 137.193423913711 36.2302177371259, 137.193377590138 36.2303362324502, 137.193236230883 36.2306782194656, 137.193056841847 36.2310934086808, 137.192471078468 36.2322624781011, 137.192396988124 36.2321958138011, 137.191921562684 36.2317492017247, 137.191545957102 36.2314200668762, 137.191164196448 36.2310909142921, 137.190724807643 36.2306968011785, 137.190312168324 36.2303159879844, 137.18996950001 36.2299918430789, 137.189602184369 36.2297577047834, 137.189240068054 36.2295893825683, 137.189398382078 36.2293593722055, 137.189635162468 36.2291082732092, 137.190304428806 36.2286099108201, 137.191135404783 36.2279996798865, 137.191628302627 36.2284638045495, 137.191817646208 36.2286554607334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral