メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.692946250944 35.4115459742743, 136.691997097656 35.4115444534406, 136.691973959901 35.4115443982085, 136.689857040809 35.4115408989021, 136.689836997971 35.4115408563067, 136.68935638005 35.4115399193587, 136.68930367997 35.4105645314821, 136.690644597369 35.410563506267, 136.690956197775 35.4105632664451, 136.693023414318 35.4105524694587, 136.693029048077 35.41055249142, 136.693015600921 35.411542653518, 136.693013535926 35.4115427509303, 136.692978172878 35.4115443031692, 136.692946250944 35.4115459742743)) ^^http://www.opengis.net/ont/geosparql#wktLiteral