About: http://webisa.webdatacommons.org/21999409

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The feature can also be useful when there is more than one contributor working on the same document.The Track Changes panel is a handy feature that gives the user the ability to view all significant changes made to an existing story.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com