メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.43543891806 43.8004198262352, 142.435683996774 43.8005781742449, 142.435968996074 43.8007623172801, 142.437703982635 43.8018832576403, 142.437593486489 43.8019854208218, 142.437501262678 43.8020706762108, 142.436610030047 43.8028335775345, 142.436541475082 43.8028891020948, 142.434746496021 43.8017731808378, 142.434219204786 43.8014453583077, 142.434170982773 43.8014838484622, 142.433781942023 43.8012243284672, 142.43380709609 43.8012027694591, 142.434178629355 43.8008901976105, 142.434538707712 43.8005872586037, 142.4349102842 43.8002753158447, 142.435042913643 43.8001639780363, 142.43543891806 43.8004198262352)) ^^http://www.opengis.net/ont/geosparql#wktLiteral