メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.919758989743 35.1318902409407, 136.919240025328 35.1318890959874, 136.91921762932 35.131889120814, 136.919027356893 35.1318895712001, 136.919239794456 35.1305630587646, 136.919251327345 35.1304911077833, 136.91945838098 35.1305035785799, 136.919994772934 35.1305289130877, 136.920075029317 35.1305445727179, 136.920025062165 35.1311234364551, 136.919999095646 35.131447620517, 136.919815447499 35.1314549882386, 136.919758989743 35.1318902409407)) ^^http://www.opengis.net/ont/geosparql#wktLiteral