メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6106196988 35.3608668698079, 136.610717632645 35.3608637999603, 136.610726120779 35.360936092645, 136.610911502894 35.3609356788616, 136.611039939298 35.3622658528043, 136.610764021577 35.3622741603769, 136.610700136185 35.362276119781, 136.61035874244 35.3622989847396, 136.61032709868 35.3619492593439, 136.610218983355 35.3608791791282, 136.610210788606 35.3607641400472, 136.610334886948 35.3607625297215, 136.61034597727 35.3608752573856, 136.6106196988 35.3608668698079)) ^^http://www.opengis.net/ont/geosparql#wktLiteral