PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • LabelingFunction->pos is effectively equivalent to LabelingFunction->(Placed[#,pos]&), where pos is a position such as Top, Bottom, Left, Right.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wolfram.com