About: http://webisa.webdatacommons.org/314681017

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	Its purpose is to allow external text tracks to be specified for media elements, such as audio and video.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com