メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.925935487378 35.1075338905977, 136.925934977329 35.1077659439889, 136.925217266402 35.1077666190035, 136.924638261895 35.107758977796, 136.923795753341 35.1077662959147, 136.923830082961 35.1075329733206, 136.923917516924 35.1070481249626, 136.925251030079 35.1070467199548, 136.926039347303 35.1070542138396, 136.926038672676 35.1072841539261, 136.926037939771 35.1075339538495, 136.925935487378 35.1075338905977)) ^^http://www.opengis.net/ont/geosparql#wktLiteral