PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Piskorski, one of the world???s leading experts on the business of social media, provides the most convincing answer yet, one backed by original research, data, and case studies from companies such as Nike and American Express.
http://www.w3.org/ns/prov#wasQuotedFrom
  • princeton.edu