メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.045154379512 37.9140022770434, 139.04510861726 37.9140558457752, 139.044191990695 37.9151458211808, 139.043426539243 37.9148066976275, 139.04308590921 37.9146886071115, 139.041712583306 37.9144681461169, 139.041554684012 37.9143996074028, 139.041651733288 37.9143486181179, 139.042463960902 37.9132008568549, 139.043295174511 37.9120217514744, 139.046542318708 37.913669210281, 139.046946943824 37.9138744195524, 139.046357944083 37.9145575675252, 139.046330766268 37.9145890888988, 139.045154379512 37.9140022770434)) ^^http://www.opengis.net/ont/geosparql#wktLiteral