About: http://webisa.webdatacommons.org/270134867

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	In contrast to above where I would need one of these identifiers for each email, this would only need one identifier per user, with no generation or other action required on sending an email.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com