<http://schema.org/bestRating>
"5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-maps/287303-garmin-china-city-navigator-nt-map-2012-40-official-venus-3.html?s=46865eda3743ac02001087c47a43998f>