PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google sort of uses email (at least the gmail) account for their authentication, although now that I have both my gmail account (brad.feld@gmail.com) and my email account (brad@feld.com) in Google???s system, I am constantly having to fight with the ???reauthorize me to access that thing via brad.feld@gmail.com) game??? since Google hasn???t solved for multiple email addresses yet.
http://www.w3.org/ns/prov#wasQuotedFrom
  • feld.com