メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.624161301448 35.3594571483567, 136.624085323923 35.3594616656913, 136.622959538074 35.3594392805766, 136.62252737592 35.3594307147306, 136.622454103356 35.3594292578917, 136.621840436981 35.3594137439521, 136.621836188656 35.3589580932861, 136.621833524831 35.3586698425039, 136.622880098699 35.3586129400115, 136.622880839635 35.3586242109146, 136.623865551821 35.3585759630426, 136.623863259177 35.358545953055, 136.624083223392 35.3585285606188, 136.624086237044 35.3585534331255, 136.624112994835 35.358813482697, 136.624161301448 35.3594571483567)) ^^http://www.opengis.net/ont/geosparql#wktLiteral