<http://schema.org/priceCurrency>
"USD"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pricegrabber.com/computers/upss++american-products-company-back-ups-es-750va-desktop-ups-750va-450w-2-3/m-60366413/?ut=365a954850ab7a4b>