<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-phones-tablets/245054-how-install-any-garmin-map-iphone-garmin-streetpilot-11.html?s=40af2dedba2689caecf29b6f2ba50977>