メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.961666624622 43.5509188949878, 144.961344939858 43.5507180707422, 144.961248991123 43.5506568502373, 144.961646018787 43.5503177391028, 144.96143881608 43.5501687647986, 144.961749522033 43.5498967820359, 144.961998070594 43.5500535986179, 144.962415962211 43.5503300141337, 144.962818963538 43.5506020364959, 144.962448254529 43.5509199573763, 144.962446856404 43.5509189716862, 144.962228398562 43.5511051573166, 144.961779108658 43.5508272011675, 144.961666624622 43.5509188949878)) ^^http://www.opengis.net/ont/geosparql#wktLiteral