<http://schema.org/ratingValue>
"5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/tomtom-android/338712-collections-tomtom-v1-4-maps-960-7056-android-maps-pna-4.html?s=46865eda3743ac02001087c47a43998f>