<http://schema.org/ratingValue>
"5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-maps/142823-topo-germany-2010-v4-img-mapsource-original-version.html?s=8be4b7379ec5f6f95d35b94a326cbb00>