メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.365370364439 43.7284736185036, 142.36662005389 43.7288404286915, 142.366354907237 43.7293220425834, 142.366010206946 43.7299306647506, 142.365635789055 43.7305892621231, 142.364382469983 43.7302270868582, 142.364053528673 43.7301320256219, 142.361944288672 43.7295175166673, 142.362440707975 43.7277637037645, 142.362381725478 43.7275689028202, 142.362329912045 43.7273977046734, 142.365487204724 43.7282662303783, 142.365370364439 43.7284736185036)) ^^http://www.opengis.net/ont/geosparql#wktLiteral