About: http://webisa.webdatacommons.org/186434690

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	So if a reply is sent from a language other than English in this version of Outlook, the thread is broken, i.e. another thread is created based on the prefix.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com