メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.253433012604 39.5502069501164, 140.252588051006 39.5508940227824, 140.252070004357 39.5505601996353, 140.251434093107 39.5500425041355, 140.251059793148 39.5497986969007, 140.250498549188 39.5496215430457, 140.249879802163 39.5495000767431, 140.249721230595 39.5494829552373, 140.249537005504 39.5494630655784, 140.250280120449 39.5486242415252, 140.250854888882 39.5483396566936, 140.251650608025 39.548297616013, 140.25233235212 39.5485540062467, 140.252834527076 39.5489532644517, 140.253165682447 39.5493574025024, 140.253433012604 39.5502069501164)) ^^http://www.opengis.net/ont/geosparql#wktLiteral