メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.384016353684 34.8291240339043, 137.383743895592 34.8292013574686, 137.37665289523 34.8291108024962, 137.376677481129 34.8274664021258, 137.376752806879 34.8274636668236, 137.377765363216 34.8274737606166, 137.377779943689 34.8271419333639, 137.378664529623 34.8271439295507, 137.378644834371 34.8265670601241, 137.380364963258 34.8265837948546, 137.380369775031 34.8262762123084, 137.380385110225 34.8256913229498, 137.382030169426 34.8256913311349, 137.382695513554 34.8268467162462, 137.383731178331 34.8286291966501, 137.384016353684 34.8291240339043)) ^^http://www.opengis.net/ont/geosparql#wktLiteral