メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.930432917824 35.0955923433602, 136.93024738357 35.0959549618716, 136.930038602056 35.0963554249532, 136.929818548414 35.0967726264367, 136.929583409346 35.0972128978749, 136.929166408005 35.0970936205021, 136.928603923424 35.0969247557152, 136.928381117168 35.0968567767428, 136.928573844913 35.0964920627521, 136.92870171268 35.0965287258225, 136.928830033172 35.0963179081627, 136.928699243417 35.0962691264746, 136.929627836337 35.0945073844249, 136.929863006998 35.0945953159772, 136.930783259138 35.0949532667255, 136.930654364462 35.095188382972, 136.930432917824 35.0955923433602)) ^^http://www.opengis.net/ont/geosparql#wktLiteral