<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Product>
<http://www.pricegrabber.com/computers/speakers++altec-lansing-acs33-2-1-speaker-system-25-w-rms-70-hz-250-hz/m-11208872/?ut=32133b6aa5cda9cf>