About: http://webisa.webdatacommons.org/136236409

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	Send to a friend is a very common UI feature for websites, and many people use it not only to notify friends, but to send links to themselves.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com