PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today, we don???t hear of many stories of companies who are now hand over first profitable, in fact, the largest players like Facebook, Twitter, and other social networks still struggle with defining clear revenue model.
http://www.w3.org/ns/prov#wasQuotedFrom
  • web-strategist.com