<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/igo-primo-software-tools/326230-igo-primo-israel-9-6-29-390522-28-apr-2014-a-9.html?s=c183099e60267626fcb335f3b0b30f36>