メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.787746927837 34.7667105935672, 135.787717546825 34.7667113872315, 135.78715005464 34.7667191336358, 135.78609242928 34.7667967318383, 135.785825703933 34.7668109140339, 135.785365157689 34.7668003856668, 135.785100853849 34.7667854130209, 135.784804735633 34.7667964418805, 135.784614356959 34.7668096288859, 135.78426062632 34.7668468951883, 135.78423266176 34.7662990383739, 135.784279872049 34.7662196763772, 135.784248849438 34.7659470556556, 135.78771155725 34.7658359263823, 135.787738059772 34.7658349870789, 135.787746927837 34.7667105935672)) ^^http://www.opengis.net/ont/geosparql#wktLiteral