メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.405344135219 32.107215695239, 131.405495430089 32.1072742556299, 131.40535164962 32.1077558908936, 131.404987288289 32.1074481591161, 131.404661702325 32.1076366962415, 131.404331082403 32.107743936589, 131.40388224541 32.1078700845985, 131.403624219749 32.1079200186369, 131.403375947952 32.1079287018523, 131.403269247459 32.107873660326, 131.403250759087 32.1066780775942, 131.40323326848 32.1061439026359, 131.403268703756 32.1057296946514, 131.403519207527 32.1057596864485, 131.404080777294 32.1057263276198, 131.404674091824 32.1056364963988, 131.40487882792 32.1055934946716, 131.405419554012 32.1054799424406, 131.405448854394 32.105957711501, 131.405847432921 32.1059256418732, 131.405659499687 32.1064657601908, 131.405344135219 32.107215695239)) ^^http://www.opengis.net/ont/geosparql#wktLiteral