<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Product>
<http://www.pricegrabber.com/books/books++karch-marziah-android-tablets-made-simple-for-motorola-xoom-samsung-ga/m-950612934/?search=Android%252BTablets%252BMade%252BSimple&ut=36570ab42c0b4667>