<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/navigon/337411-upgrade-4350max-6310-70-premium-live-7-7-6-built-657-a.html?s=d90c3a7b101cde0eff2e12670a728b41>