メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.146494721019 34.6537642344256, 135.146170923684 34.6541202300652, 135.146106228342 34.6541895400492, 135.145730978883 34.654591939457, 135.145311613117 34.6543264026849, 135.145160057295 34.6542193775195, 135.144885604784 34.6540431638587, 135.145212134417 34.6536871524561, 135.145265271388 34.6536303136573, 135.145349787616 34.6535397428727, 135.145479347024 34.6534014028935, 135.145660238044 34.6532131376179, 135.146494721019 34.6537642344256)) ^^http://www.opengis.net/ont/geosparql#wktLiteral