メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.6898371307 35.0680157436785, 136.689917605042 35.0681681792392, 136.6897278462 35.0682255972867, 136.689542878448 35.0683030593477, 136.68935251543 35.0684213275936, 136.68904481899 35.0684652586484, 136.688420457732 35.0685564081438, 136.68818632316 35.0684965353738, 136.688060752659 35.0683694963015, 136.688031563271 35.068259868706, 136.68806682777 35.0681752993073, 136.687968470735 35.0680808526348, 136.688049955524 35.068002290018, 136.688167567527 35.0679467618139, 136.688225314456 35.0677651608034, 136.688307078916 35.0677454714364, 136.688465043197 35.0677114056359, 136.688522526234 35.0675238185972, 136.689611759017 35.0672979818889, 136.689622667506 35.0672609472831, 136.690951058709 35.0670521918622, 136.690978945805 35.0673572552552, 136.690688495476 35.0674294039282, 136.690705439777 35.0675341705375, 136.69047282112 35.0675724660198, 136.69045602405 35.0674853758238, 136.690252206606 35.0675463956505, 136.690140051685 35.0675885841582, 136.690005847197 35.0676772373918, 136.690114669053 35.0679101484769, 136.6898371307 35.0680157436785)) ^^http://www.opengis.net/ont/geosparql#wktLiteral