メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.15760888172 35.0868681534453, 137.158701800959 35.0868114261327, 137.158798919289 35.0877567744533, 137.15846235758 35.0877595597881, 137.158194908591 35.0877706615623, 137.157795998797 35.0878321043413, 137.157696340714 35.0873887573694, 137.157320106243 35.0874315379192, 137.157331435978 35.0875209813747, 137.156798808437 35.0875843088538, 137.156829380383 35.0877417157483, 137.156712845083 35.0877605065884, 137.156423793425 35.0868161215825, 137.156272998936 35.0864390405489, 137.156552621244 35.086365335515, 137.15654054026 35.0863255429412, 137.156764067719 35.0862792273587, 137.156868062734 35.0866293992595, 137.157557336633 35.0865783421625, 137.15760888172 35.0868681534453)) ^^http://www.opengis.net/ont/geosparql#wktLiteral