メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.190698816086 36.2250265024632, 136.190344605703 36.2250154901867, 136.190447162636 36.2260003332072, 136.190080945897 36.226057074676, 136.190045288198 36.2257036596839, 136.189925106734 36.2247323458978, 136.190298195225 36.2246889183745, 136.190740899629 36.2246672050609, 136.190748579655 36.2248873753996, 136.190698816086 36.2250265024632)) ^^http://www.opengis.net/ont/geosparql#wktLiteral