PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These icons will help you quickly distinguish the different types of items on your calendar (even if they are a little too plain to win any graphic design awards).
http://www.w3.org/ns/prov#wasQuotedFrom
  • novell.com