About: http://webisa.webdatacommons.org/401286291

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	Thanks to these layers, we are able for example to decide if a transition has to be created between two track objects, or, if two clips have an alpha of 1.0, which one will be the ???topmost??? one.
http://www.w3.org/ns/prov#wasQuotedFrom	pitivi.org