メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.930419084563 35.0907225404299, 136.930668114814 35.09081359518, 136.930220209523 35.0916423576912, 136.929984990133 35.091552173578, 136.929483991153 35.0913770259331, 136.929314196327 35.091322675166, 136.929251539529 35.0914446024819, 136.929206241193 35.0915326892247, 136.929144489541 35.0915162992172, 136.929083944629 35.0914751210948, 136.928596628277 35.0913178152704, 136.929137654461 35.0902745092658, 136.930419084563 35.0907225404299)) ^^http://www.opengis.net/ont/geosparql#wktLiteral