PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Diffbot is able to look at a content source and determine what kind of page it is, what the elements are such as headlines, images, advertisements and contextually understand the content on the page.
http://www.w3.org/ns/prov#wasQuotedFrom
  • gigaom.com