メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.555418471825 34.0715376735227, 134.555334026846 34.0716828590479, 134.555271746276 34.071861097454, 134.555220858171 34.0719822550215, 134.555089858142 34.0721543928091, 134.554548121474 34.0720417068039, 134.554083433024 34.071965265931, 134.553889632732 34.0719467137403, 134.553870052928 34.0714802649441, 134.553897961105 34.070802669174, 134.554592760618 34.0707621913043, 134.554594884726 34.0714927020295, 134.555418471825 34.0715376735227)) ^^http://www.opengis.net/ont/geosparql#wktLiteral