About: http://webisa.webdatacommons.org/275986869

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	The rest of them are a no at the moment, but plugins could be created to add all of your desired functionality.
http://www.w3.org/ns/prov#wasQuotedFrom	buddypress.org