PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • content such as blogs, wikis, micro-blogs, social networking sites, video/photo sharing websites, forums, message boards, and user-generated content in general as a way for marketers to determine the volume and sentiment around a brand or topic in social media.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scribd.com