メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.363607374866 43.1019945093258, 141.363976425807 43.1020397008247, 141.364006366926 43.1020466836797, 141.364506767688 43.1021149001057, 141.364307946201 43.1029226739483, 141.364308840229 43.1029404735726, 141.364069685123 43.1039086960255, 141.363576936669 43.1038413113571, 141.36320120261 43.103786293736, 141.363169020985 43.1037816140756, 141.362709839589 43.1037161030006, 141.362891772264 43.1029431555378, 141.362932983098 43.1027681533338, 141.36294409595 43.1027165499095, 141.363131098049 43.1019306946568, 141.363246494795 43.101941785907, 141.363607374866 43.1019945093258)) ^^http://www.opengis.net/ont/geosparql#wktLiteral