<http://schema.org/position>
"4"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://product.rakuten.co.jp/product/%28COMON%E8%A3%BD%29RCA%E3%83%97%E3%83%A9%E3%82%B0%28%E3%82%B9%E3%83%97%E3%83%AA%E3%83%B3%E3%82%B0%E4%BB%98%EF%BC%8F%E7%99%BD%E7%B7%9A%EF%BC%8F7mm%29%28GW%29/0489e7ded7203973acb0bf60e8f9cd1b/>