<http://schema.org/availability>
"http://schema.org/OutOfStock"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.beat-it.nl/origin-storage-om8g31333r2rx4e135-8gb-ddr3l-1333mhz-ecc-geheugenmodule-om8g31333r2rx4e135>