PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • their blog, third-party blogs, Twitter, Facebook, LinkedIn and other social channels Expand customer advocacy by identifying and developing new references, activities and materials such as success stories, media and industry analyst calls,...
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessweek.com