PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, system items such as documents or messages can be used to stand as task representations or reminders in the user's mind. [0037] A thread is defined as a protracted activity comprising one or more tasks with some thematic relationship such as similar or the same goals, or a common set of colleagues involved, without necessarily having criteria for accomplishment since the thread may not ha
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com