<http://schema.org/position>
"4"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://product.rakuten.co.jp/product/%E3%83%A2%E3%83%AA%E3%83%AF%E3%82%AD%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%8B%E3%82%A2%E3%83%AA%E3%83%B3%E3%82%B0+CB400SF+MX+BP+S%EF%BC%8FO+01810-6N1E5-00/e1b133e4e343925ad8813eaccf796988/spec/>