<http://schema.org/availability>
"http://schema.org/InStock"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.jameco.com/1/1/1213-2n5951-transistor-jfet-rf-vhf-uhf-amplifier-80v-25a-3for-more-about-transistors.html>