メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.048101543114 35.423437182808, 137.047001599565 35.4235810428811, 137.047040189262 35.4233529126496, 137.047235019805 35.4224448692506, 137.0472518771 35.4224047807397, 137.047346146507 35.4219608965692, 137.047260271337 35.4216270427188, 137.047472408588 35.4215896863203, 137.047483561238 35.4214357882537, 137.048507933685 35.4214427637533, 137.048449137246 35.4219539382361, 137.048113828898 35.421949447958, 137.048126880115 35.4222020321459, 137.048185253849 35.4222534635744, 137.04817632392 35.4223822930046, 137.048366420743 35.4224594189376, 137.048101543114 35.423437182808)) ^^http://www.opengis.net/ont/geosparql#wktLiteral