メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.742014652127 35.3448823474498, 136.741030730896 35.3450412644853, 136.741067488696 35.3452280787087, 136.740990416411 35.3452404123537, 136.740563087778 35.3453317863757, 136.740492123793 35.3453427324978, 136.738896027178 35.3446078479818, 136.738424111414 35.3443919349745, 136.738161310042 35.3442566270653, 136.738158480288 35.3441980926765, 136.739605222745 35.3436833390426, 136.740458612926 35.3434275393402, 136.741394914825 35.3432832292841, 136.741563890724 35.34371152817, 136.742008719432 35.3448664102552, 136.742014652127 35.3448823474498)) ^^http://www.opengis.net/ont/geosparql#wktLiteral