<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.beat-it.nl/startech-com-1-m-gecertificeerde-superspeed-usb-3-0-a-naar-micro-b-kabel-m-m-usb3caub1m>