メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.568479982744 36.5231076469433, 136.567841467782 36.523108492908, 136.567871950989 36.5224399195303, 136.567978997747 36.522489459187, 136.568102075823 36.5223939717737, 136.56815428335 36.5224849891739, 136.568318223416 36.5224839078734, 136.568557539183 36.5224823290115, 136.568901791085 36.5224727190937, 136.568894157028 36.5226034970258, 136.569118995849 36.5226099388599, 136.569121551885 36.5227087334326, 136.569456811432 36.5226717936857, 136.569399966036 36.5227361439719, 136.56934171002 36.5227852422617, 136.569268334961 36.52286626501, 136.569540720494 36.5229290248656, 136.569441619161 36.5231287310665, 136.56923686748 36.5230621569293, 136.569096666123 36.5230415991036, 136.568999225434 36.5230304098987, 136.568893769472 36.5230405121099, 136.568898983279 36.5230771147875, 136.568612153123 36.5230551184981, 136.568600139406 36.5231201490926, 136.568479982744 36.5231076469433)) ^^http://www.opengis.net/ont/geosparql#wktLiteral