メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.496168217159 33.2893494988559, 131.496057526328 33.2905341190621, 131.494846298577 33.2905027416964, 131.494669920814 33.2904937526672, 131.493979071879 33.2904844200447, 131.492872575244 33.2904533046763, 131.492380595383 33.2904394770866, 131.492381779306 33.2904338362578, 131.492431850457 33.2901248660505, 131.492587914293 33.2889242666001, 131.493237938679 33.2888054601786, 131.494623072437 33.2886259639868, 131.4946408442 33.2886239889808, 131.495046462803 33.2885787994436, 131.496250923476 33.2884695179927, 131.496168217159 33.2893494988559)) ^^http://www.opengis.net/ont/geosparql#wktLiteral