メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.666724772676 35.4833188945441, 136.665959938074 35.4832818243178, 136.665774406723 35.4829620890085, 136.665041698463 35.4829582425796, 136.665046709301 35.4822229375361, 136.665994355335 35.4822330606509, 136.666049394549 35.4821601922555, 136.666351689553 35.4817844496623, 136.66665181133 35.4814533434629, 136.667200270063 35.4816431029342, 136.66716349412 35.4816798867409, 136.666779177936 35.4821001140961, 136.666689604224 35.4822579074085, 136.666938605165 35.4826032195313, 136.6668538896 35.4828867677334, 136.666724772676 35.4833188945441)) ^^http://www.opengis.net/ont/geosparql#wktLiteral