<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/AggregateOffer>
<http://www.pricegrabber.com/electronics/headphones-headsets++klipsch-s3m-in-ear-headphones-blue-stereo-blue-mini-phone-wired-18-ohm/m-1259982449/?ut=365225ce54844015>