メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.124031525908 35.0762966511964, 137.123570651363 35.0764045766156, 137.123342353457 35.0764608282469, 137.123230379613 35.076452333401, 137.12318404404 35.0764487933012, 137.122939094985 35.0763917931895, 137.122995376895 35.076095533623, 137.122934566887 35.0759797304035, 137.122972697248 35.0758077670866, 137.122976794906 35.075258800162, 137.123141346365 35.075247102508, 137.123255489981 35.0752284149772, 137.123386782135 35.0751784627482, 137.123571339063 35.0750987426268, 137.123710222058 35.075055062534, 137.123831995676 35.0750034880041, 137.124018462204 35.0749128513225, 137.124184024722 35.0747877664623, 137.124345086239 35.0746952895632, 137.124031525908 35.0762966511964)) ^^http://www.opengis.net/ont/geosparql#wktLiteral