PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Even before you start tweeting yourself, hashtags are a fun and useful way to get value out of Twitter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • webdesignledger.com