メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.901924906928 35.1013723091761, 136.902139124684 35.1029650475394, 136.901732994978 35.1029995080913, 136.901682568252 35.103044399637, 136.901582912718 35.1030160801322, 136.901545062132 35.1026977413785, 136.901486251328 35.1022034301188, 136.901371685299 35.1014429971393, 136.901293181659 35.1008656111474, 136.901198749804 35.1001866347073, 136.901191978663 35.1001340820322, 136.901746281969 35.1000902988346, 136.901785321577 35.1003455391899, 136.901924906928 35.1013723091761)) ^^http://www.opengis.net/ont/geosparql#wktLiteral