About: http://webisa.webdatacommons.org/386467310

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	Also, there is a SpamAssassin module to detect bounces from mails which you didn't send (however, that mis-classifies, too, e.g. bugzilla mails are misdetected as bounced).
http://www.w3.org/ns/prov#wasQuotedFrom	nongnu.org