メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.762043633087 35.4291816630163, 136.761666765675 35.4292128423771, 136.761384194746 35.4292179604393, 136.761366419669 35.4289272463481, 136.761991841821 35.4286557420119, 136.76292483017 35.4282476160085, 136.763000762742 35.4284364138349, 136.762861733841 35.4284956698758, 136.762876223889 35.4285145202712, 136.762759134577 35.4285652929299, 136.762742553618 35.4285430554851, 136.762286804297 35.4287360462076, 136.762405410965 35.4289416401366, 136.762096291061 35.4290602233951, 136.762095764825 35.429165603913, 136.762043633087 35.4291816630163)) ^^http://www.opengis.net/ont/geosparql#wktLiteral