About: http://webisa.webdatacommons.org/290841359

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	Again, the best thing to do is test - try tweeting or posting on Facebook with similar content at different times of day and see what happens.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com