<http://schema.org/worstRating>
"1"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-maps/55930-garmin-vca001r-inside-passage-bluechart-g2-vision-canada-region.html?s=9260d5a2858bfd56a552067b362c74dc>