<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/AggregateOffer>
<http://www.pricegrabber.com/office/pens++cross-franklin-covey-lexington-appointments-fountain-pen-with-medium-n/m-790957342/?ut=36a1e5dc4a0f3f77>