<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.gpspower.net/garmin-maps/153091-city-navigator-europe-2011-20-mapsource-countries-imgs-8.html?s=5129018a32d7bc834b078c4a97b32fe3>