メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.682010422405 34.8052033863183, 134.682389049517 34.8059184252339, 134.682967182675 34.8070157429804, 134.682105910058 34.8073055766466, 134.680654268584 34.8077858489498, 134.680430651929 34.8068125878565, 134.680276481824 34.8058085610284, 134.680187005539 34.8049347848985, 134.680170727666 34.8047179080151, 134.680123443543 34.8039945894042, 134.680761282794 34.8039179675036, 134.681334122744 34.8037560278829, 134.682010422405 34.8052033863183)) ^^http://www.opengis.net/ont/geosparql#wktLiteral