メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.362371230136 43.1018257908448, 141.362524614508 43.1018447719529, 141.363131098049 43.1019306946568, 141.36294409595 43.1027165499095, 141.362932983098 43.1027681533338, 141.362891772264 43.1029431555378, 141.362709839589 43.1037161030006, 141.361266512248 43.1035227751821, 141.361382668616 43.1030710596564, 141.361458617167 43.1027643959256, 141.361515299628 43.1025353627088, 141.361704698519 43.1017376403494, 141.362371230136 43.1018257908448)) ^^http://www.opengis.net/ont/geosparql#wktLiteral