<http://schema.org/ratingValue>
"5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/navigon/288178-navigon-mobilenavigator-4-0-2-android-q1-2012-map-europe-radar.html?s=9260d5a2858bfd56a552067b362c74dc>