<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-maps/281008-bluechart-g2-hus039r-us-all-canadian-west-coast-g2-v2012-5-v14-00-a.html?s=9260d5a2858bfd56a552067b362c74dc>