About: http://webisa.webdatacommons.org/181953952

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	Some people try to use the read and unread states to indicate whether a message is new or a reference item.
http://www.w3.org/ns/prov#wasQuotedFrom	office.com