About: http://webisa.webdatacommons.org/291627972

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	You can see a simple example for multipart/alternative in the tests, for example here:
http://www.w3.org/ns/prov#wasQuotedFrom	github.com