About: http://webisa.webdatacommons.org/448231532

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 can only get indication of whether the conversion completed successfully or not by checking the presentation.CreateVideoStatus for 0 or 1.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com