About: http://webisa.webdatacommons.org/83318501

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	Such invitations might have been sent using an email messaging system, or via SMS or other text message, or might have been counted as ???hits??? to a server, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com