About: http://webisa.webdatacommons.org/83067130

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	But I???d prefer using just one plugin to do both, to send and track the invites and to allow the invited to register, regardless of whether the site allows or doesn???t allow regular registration.
http://www.w3.org/ns/prov#wasQuotedFrom	buddypress.org