メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.767857781675 35.4063227231503, 136.768493859118 35.4062527923558, 136.768449251706 35.4067274924199, 136.768440022173 35.4071269578781, 136.768209565712 35.4073073254401, 136.768009060162 35.4074485668936, 136.767773821567 35.4075951169822, 136.767601008868 35.4074661039085, 136.767601264989 35.4074140634158, 136.767823030182 35.4072524002234, 136.767853838627 35.406707164475, 136.767872529415 35.4066931415573, 136.767880184024 35.4065969719349, 136.767891422601 35.4065311798302, 136.767857781675 35.4063227231503)) ^^http://www.opengis.net/ont/geosparql#wktLiteral