<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/AggregateOffer>
<http://www.pricegrabber.com/software/office-suites++microsoft-office-2007-basic-edition-with-office-professional-2007-tria/m-33019854/?ut=36ea3fbb4c672f88>