メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.367736976759 43.051796624788, 141.367722414161 43.0518425076689, 141.367426063334 43.0525466876155, 141.366795323849 43.0519915600795, 141.366616031017 43.0518417095752, 141.366276656939 43.0515332240684, 141.366984025632 43.0511240183273, 141.367954237672 43.0505210353283, 141.368193478957 43.050382078404, 141.368286818627 43.0504467980741, 141.367936022915 43.0513040899824, 141.367736976759 43.051796624788)) ^^http://www.opengis.net/ont/geosparql#wktLiteral