メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.188365627036 36.0615642525303, 136.18864730611 36.0618581237594, 136.188688246872 36.0618870734554, 136.18951752578 36.062065041568, 136.189470548812 36.0621801562954, 136.188616860421 36.0626787634026, 136.187446332154 36.0633876991197, 136.187095829422 36.0629672990544, 136.186750034917 36.0625558058444, 136.186420802906 36.0621683933102, 136.186018826097 36.0617137930695, 136.186644881173 36.0613565839113, 136.187406152741 36.0608921453794, 136.187760863553 36.0606808242184, 136.187922102832 36.060895468974, 136.188198187742 36.0612984697505, 136.188365627036 36.0615642525303)) ^^http://www.opengis.net/ont/geosparql#wktLiteral