About: http://webisa.webdatacommons.org/316759366

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	I was able to find a solution for adding a custom field to EACH variation, in case someone is looking for this solution, there is a tutorial here (thanks Derek!):
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com