<http://schema.org/ratingValue>
"5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/igo-primo-software-tools/302874-igo-primo-9-8-0-263885-pc-wince-taiwan-2.html?s=da9b5494d9d3c50a8932fa49e348656c>