PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google has only rarely launched a new product where adverts were at the centre of the product from the beginning, Gmail is an example of them not doing this, Google + still has zero adverts about none Google+ products.
http://www.w3.org/ns/prov#wasQuotedFrom
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