メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.754517397876 35.4194525755628, 136.753496591078 35.4196268172131, 136.753350947121 35.4195263258323, 136.753109188377 35.4191097776752, 136.753084120022 35.419065995229, 136.753745605857 35.4189738446735, 136.753713700012 35.4187863471979, 136.754349498107 35.4186870638213, 136.754401462329 35.4188890646452, 136.754517397876 35.4194525755628)) ^^http://www.opengis.net/ont/geosparql#wktLiteral