About: http://webisa.webdatacommons.org/346875175

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	As you quicly mentionned, I prefer to use FriendOrFollow because I can see who I am about to unfollow (and who I do not want to), then I may use a tool such as Karma.
http://www.w3.org/ns/prov#wasQuotedFrom	netbuilders.org