メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.965441159929 43.5435728636532, 144.964701528935 43.5434587349874, 144.962204408711 43.543025252698, 144.962151213786 43.5430160386517, 144.962173418206 43.5429981426784, 144.96260220898 43.5426528230342, 144.963164913362 43.5421855183019, 144.963774139981 43.541686622776, 144.963898888748 43.5418813950893, 144.964035999814 43.5420630060344, 144.964328524592 43.5424203776585, 144.964487676351 43.5425975958071, 144.964630621771 43.5427497445822, 144.965441159929 43.5435728636532)) ^^http://www.opengis.net/ont/geosparql#wktLiteral