<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-receivers-firmwares/214875-how-convert-oregon-450us-firmware-chn-i-have-oregon-450-chn-v2-2-gcd-rgn-2.html?s=da9b5494d9d3c50a8932fa49e348656c>