メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.695364295032 35.3277279553831, 136.696049176484 35.3276537188737, 136.696273710194 35.3289772901808, 136.695596504066 35.329089797414, 136.693079893476 35.3293777178166, 136.692955712365 35.3286765195596, 136.692845860394 35.3279730525092, 136.69320156064 35.3279321206918, 136.693211303429 35.3279780041599, 136.694735103525 35.3278376876613, 136.694738379192 35.3277696006499, 136.695362993016 35.3277080207328, 136.695364295032 35.3277279553831)) ^^http://www.opengis.net/ont/geosparql#wktLiteral