About: http://webisa.webdatacommons.org/198102630

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	But what about allowing comments for users of other popular systems that tie an identity to that person, such as Twitter, MySpace, and most importantly Facebook Connect?
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com