About: http://webisa.webdatacommons.org/36386531

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	I think it is because the SMTP notifies have been enabled and people are now aware of when there is a reply to their post.
http://www.w3.org/ns/prov#wasQuotedFrom	mngca.org