メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.98782580205 43.5604245559939, 144.987815834511 43.5604179741085, 144.987371114996 43.5601213053301, 144.986899100226 43.5598281718032, 144.987764016968 43.5591428303907, 144.988694374809 43.5590054179672, 144.988772200632 43.559054145366, 144.988102179338 43.5595974913836, 144.988038670731 43.5597877128683, 144.988188277703 43.5598926283317, 144.987933245723 43.5601028056759, 144.98782580205 43.5604245559939)) ^^http://www.opengis.net/ont/geosparql#wktLiteral