メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.351335785873 44.4775689497805, 142.350392262024 44.4773412010854, 142.350440849637 44.4772399768592, 142.350966382111 44.4761709900795, 142.351891070694 44.4764006164594, 142.351381839166 44.4774731787337, 142.351335785873 44.4775689497805)) ^^http://www.opengis.net/ont/geosparql#wktLiteral