メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.872268445656 35.3421256337997, 136.871838232315 35.3424661517602, 136.871624936798 35.3426605675774, 136.870734448206 35.3434737701473, 136.87031020748 35.3428867217158, 136.868864153872 35.3436667129045, 136.868617857408 35.3431496070518, 136.869962548071 35.3424293009137, 136.869615881636 35.34196033327, 136.870061604272 35.3417227579304, 136.870184524007 35.3416531980804, 136.870670583415 35.3413950150949, 136.871108628922 35.3412050238404, 136.871721048033 35.340969400482, 136.871963591129 35.3414879698084, 136.872268445656 35.3421256337997)) ^^http://www.opengis.net/ont/geosparql#wktLiteral