PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Brands such as Google, Zappos, Amazon, eBay, and others win because they ask ???How can I help you???? instead of ???What can I sell you????
http://www.w3.org/ns/prov#wasQuotedFrom
  • hbr.org