<http://schema.org/ratingValue>
"2.5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.goodhousekeeping.com/appliances/outdoor-grill-reviews/a17650/brinkmann-4-burner-gas-grill-556/?click=smart&kw=ist&src=smart&mag=GHK&link=-SMT-GHK>