メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.695845975094 33.8196179985339, 130.695834870094 33.8199529131097, 130.695809445816 33.8201368395153, 130.695810436731 33.8202081269729, 130.695728670669 33.820566607401, 130.694496515004 33.8205274168724, 130.694428455553 33.8201654671178, 130.69440824523 33.8199286676455, 130.694372094372 33.819647450712, 130.694392251602 33.8195502940359, 130.694484184807 33.8194657834491, 130.694566036156 33.8194390784428, 130.695819610534 33.8190215178788, 130.695845975094 33.8196179985339)) ^^http://www.opengis.net/ont/geosparql#wktLiteral