メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.33141880371 37.3927355449362, 140.331557862616 37.3928102862125, 140.332267235382 37.3932030770967, 140.331820855019 37.3944388883418, 140.331480622635 37.3941174745285, 140.331348216905 37.3942153219464, 140.33049527487 37.3934802898786, 140.330001037052 37.3938395607202, 140.32925176554 37.3932023612277, 140.329731806513 37.3928642709652, 140.330228312032 37.3925085115176, 140.330595391843 37.3922746595104, 140.33141880371 37.3927355449362)) ^^http://www.opengis.net/ont/geosparql#wktLiteral