メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.834423101204 34.9379082040462, 136.833821158648 34.9378904215926, 136.832942872062 34.937840676651, 136.832577356753 34.9378231182884, 136.832569382374 34.9378227438034, 136.83256118113 34.9378099750672, 136.832542491693 34.9376888654241, 136.832530412082 34.9375141115952, 136.832539053762 34.9369682832191, 136.832545958027 34.9368683005506, 136.835600085756 34.9365444422023, 136.835737484859 34.9374396164506, 136.835686286662 34.9374694765691, 136.835654859191 34.9374851654536, 136.835443860842 34.9375907861869, 136.83523409979 34.9376915513141, 136.834970891769 34.9378124515781, 136.83461754916 34.9378891600125, 136.834449161529 34.9379089796448, 136.834423101204 34.9379082040462)) ^^http://www.opengis.net/ont/geosparql#wktLiteral