メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.096493713379 36.7045994304967, 137.096032704357 36.7045984598291, 137.094688946574 36.7046478673664, 137.094675962622 36.7042609117371, 137.094678010545 36.7030450080668, 137.095511841402 36.7030440924231, 137.095530995082 36.7030445272183, 137.095961902623 36.7030542128166, 137.096485261584 36.7030433220521, 137.096935994802 36.7030580857022, 137.096884205831 36.7032275917175, 137.096587373801 36.7042492870997, 137.096493713379 36.7045994304967)) ^^http://www.opengis.net/ont/geosparql#wktLiteral