メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.995721913799 35.0084503152853, 136.995002176878 35.0084370276521, 136.994930715146 35.0084973515784, 136.994880828752 35.0084210774706, 136.994770736743 35.0081160421222, 136.994596361844 35.0077066123172, 136.994286743947 35.0070444365708, 136.994301671037 35.0058246686364, 136.994327240585 35.0058159027513, 136.994981993549 35.0058352973839, 136.995739004045 35.0058284950316, 136.995745428501 35.0059359043997, 136.995734196772 35.0065281767372, 136.995745335921 35.0067465159186, 136.995742797081 35.007300347865, 136.995738212519 35.0075528208961, 136.995721913799 35.0084503152853)) ^^http://www.opengis.net/ont/geosparql#wktLiteral