<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.gpspower.net/garmin-maps/200201-bluechart-g2-vision-vus511l-boston-norfolk-v11-50-a.html?s=77363cd3c115bda723b17242a746199f>