<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#integer>
<http://www.amazon.com/gp/product/B000SW4DJE/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=digitairwa-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=B000SW4DJE>