<http://schema.org/position>
"3"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://product.rakuten.co.jp/product/%E3%83%81%E3%83%A5%E3%83%BC%E3%83%91%E3%83%83%E3%82%AF%E9%BB%92%E9%9C%A7%E5%B3%B6%E3%80%80%EF%BC%92%EF%BC%95%EF%BC%85%E3%80%80%EF%BC%91%EF%BC%8E%EF%BC%98%EF%BC%AC%E3%80%80%E3%82%A4%E3%83%A2/48a3b6e72d4e3c749027c9f150c270ad/item/>